netcdf S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209 {

// global attributes:
		:Conventions = "CF-1.7" ;
		:institution = "KNMI/SRON" ;
		:source = "Sentinel 5 precursor, TROPOMI, space-borne remote sensing, L2" ;
		:history = "2019-05-14 03:40:49 f_s5pops tropnll2dp /mnt/data1/storage_offl_l2/cache_offl_l2/WORKING-607166571/JobOrder.607165586.xml" ;
		:summary = "TROPOMI/S5P Methane 1-Orbit L2 Swath 7x7km" ;
		:tracking_id = "69018bc6-a326-438d-a355-25ec99687f89" ;
		:id = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209" ;
		:time_reference = "2018-05-01T00:00:00Z" ;
		:time_reference_days_since_1950 = 24957 ;
		:time_reference_julian_day = 2458239.5 ;
		:time_reference_seconds_since_1970 = 1525132800LL ;
		:time_coverage_start = "2018-05-01T08:49:58Z" ;
		:time_coverage_end = "2018-05-01T09:48:22Z" ;
		:time_coverage_duration = "PT3503.435S" ;
		:time_coverage_resolution = "PT1.080S" ;
		:orbit = 2837 ;
		:references = "http://www.tropomi.eu/data-products/methane" ;
		:processor_version = "1.3.1" ;
		:keywords_vocabulary = "AGU index terms, http://publications.agu.org/author-resource-center/index-terms/" ;
		:keywords = "0300 Atmospheric Composition and Structure; 0365 Troposphere, Composition and Chemistry; 0400 Biogeosciences; 0428 Carbon Cycling; 1600 Global Change" ;
		:standard_name_vocabulary = "NetCDF Climate and Forecast Metadata Conventions Standard Name Table (v29, 08 July 2015), http://cfconventions.org/standard-names.html" ;
		:naming_authority = "nl.knmi" ;
		:cdm_data_type = "Swath" ;
		:date_created = "2019-05-13T16:22:14Z" ;
		:creator_name = "The Sentinel 5 Precursor TROPOMI Level 2 products are developed with funding from the European Space Agency (ESA), the Netherlands Space Office (NSO), the Belgian Science Policy Office, the German Aerospace Center (DLR) and the Bayerisches Staatsministerium für Wirtschaft und Medien, Energie und Technologie (StMWi)." ;
		:creator_url = "http://www.tropomi.eu" ;
		:creator_email = "EOSupport@Copernicus.esa.int" ;
		:project = "Sentinel 5 precursor/TROPOMI" ;
		:geospatial_lat_min = -85.17928f ;
		:geospatial_lat_max = 89.92873f ;
		:geospatial_lon_min = 179.9599f ;
		:geospatial_lon_max = -179.882f ;
		:license = "No conditions apply" ;
		:platform = "S5P" ;
		:sensor = "TROPOMI" ;
		:spatial_resolution = "7x7km2" ;
		:cpp_compiler_version = "g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11)" ;
		:cpp_compiler_flags = "-g -O2 -fPIC -std=c++11 -W -Wall -Wno-ignored-qualifiers -Wno-write-strings -Wno-unused-variable -DTROPNLL2DP" ;
		:f90_compiler_version = "GNU Fortran (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11)" ;
		:f90_compiler_flags = "-gdwarf-3 -O2 -fPIC -cpp -ffpe-trap=invalid -fno-range-check -frecursive -fimplicit-none -ffree-line-length-none -DTROPNLL2DP -Wuninitialized -Wtabs" ;
		:build_date = "2019-04-05T12:04:00Z" ;
		:revision_control_identifier = "" ;
		:geolocation_grid_from_band = 7 ;
		:identifier_product_doi = "10.5270/S5P-3p6lnwd" ;
		:identifier_product_doi_authority = "http://dx.doi.org/" ;
		:algorithm_version = "1.2.0" ;
		:title = "TROPOMI/S5P Methane 1-Orbit L2 Swath 7x7km" ;
		:product_version = "1.2.0" ;
		:processing_status = "Nominal" ;
		:Status_MET_2D = "Nominal" ;
		:Status_CTM_CO = "Nominal" ;
		:Status_CTMCH4 = "Nominal" ;
		:Status_NPP_VIIRS = "Nominal" ;

group: PRODUCT {
  dimensions:
  	scanline = 3245 ;
  	ground_pixel = 215 ;
  	corner = 4 ;
  	time = 1 ;
  	layer = 12 ;
  	level = 13 ;
  variables:
  	int scanline(scanline) ;
  		scanline:units = "1" ;
  		scanline:axis = "Y" ;
  		scanline:long_name = "along-track dimension index" ;
  		scanline:comment = "This coordinate variable defines the indices along track; index starts at 0" ;
  		scanline:_FillValue = -2147483647 ;
  	int ground_pixel(ground_pixel) ;
  		ground_pixel:units = "1" ;
  		ground_pixel:axis = "X" ;
  		ground_pixel:long_name = "across-track dimension index" ;
  		ground_pixel:comment = "This coordinate variable defines the indices across track, from west to east; index starts at 0" ;
  		ground_pixel:_FillValue = -2147483647 ;
  	int time(time) ;
  		time:units = "seconds since 2010-01-01 00:00:00" ;
  		time:standard_name = "time" ;
  		time:axis = "T" ;
  		time:long_name = "reference time for the measurements" ;
  		time:comment = "The time in this variable corresponds to the time in the time_reference global attribute" ;
  		time:_FillValue = -2147483647 ;
  	int corner(corner) ;
  		corner:units = "1" ;
  		corner:long_name = "pixel corner index" ;
  		corner:comment = "This coordinate variable defines the indices for the pixel corners; index starts at 0 (counter-clockwise, starting from south-western corner of the pixel in ascending part of the orbit)" ;
  		corner:_FillValue = -2147483647 ;
  	int layer(layer) ;
  		layer:axis = "Z" ;
  		layer:positive = "down" ;
  		layer:_FillValue = -2147483647 ;
  	int level(level) ;
  		level:axis = "Z" ;
  		level:positive = "down" ;
  		level:_FillValue = -2147483647 ;
  	int delta_time(time, scanline) ;
  		delta_time:long_name = "offset of start time of measurement relative to time_reference" ;
  		delta_time:units = "milliseconds since 2018-05-01 00:00:00" ;
  		delta_time:_FillValue = -2147483647 ;
  	string time_utc(time, scanline) ;
  		time_utc:long_name = "Time of observation as ISO 8601 date-time string" ;
  		string time_utc:_FillValue = "" ;
  	ubyte qa_value(time, scanline, ground_pixel) ;
  		qa_value:units = "1" ;
  		qa_value:scale_factor = 0.01f ;
  		qa_value:add_offset = 0.f ;
  		qa_value:valid_min_ = 0UB ;
  		qa_value:valid_max_ = 100UB ;
  		qa_value:long_name = "data quality value" ;
  		qa_value:comment = "A continuous quality descriptor, varying between 0 (no data) and 1 (full quality data). Recommend to ignore data with qa_value < 0.5" ;
  		qa_value:coordinates = "longitude latitude" ;
  		qa_value:_FillValue = 255UB ;
  	float latitude(time, scanline, ground_pixel) ;
  		latitude:long_name = "pixel center latitude" ;
  		latitude:units = "degrees_north" ;
  		latitude:standard_name = "latitude" ;
  		latitude:valid_min = -90.f ;
  		latitude:valid_max = 90.f ;
  		latitude:bounds = "/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/latitude_bounds" ;
  		latitude:_FillValue = 9.96921e+36f ;
  	float longitude(time, scanline, ground_pixel) ;
  		longitude:long_name = "pixel center longitude" ;
  		longitude:units = "degrees_east" ;
  		longitude:standard_name = "longitude" ;
  		longitude:valid_min = -180.f ;
  		longitude:valid_max = 180.f ;
  		longitude:bounds = "/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/longitude_bounds" ;
  		longitude:_FillValue = 9.96921e+36f ;
  	float methane_mixing_ratio(time, scanline, ground_pixel) ;
  		methane_mixing_ratio:units = "1e-9" ;
  		methane_mixing_ratio:standard_name = "dry_atmosphere_mole_fraction_of_methane" ;
  		methane_mixing_ratio:long_name = "column averaged dry air mixing ratio of methane" ;
  		methane_mixing_ratio:coordinates = "longitude latitude" ;
  		methane_mixing_ratio:ancillary_variables = "methane_mixing_ratio_precision column_averaging_kernel chi_square degreess_of_freedom" ;
  		methane_mixing_ratio:_FillValue = 9.96921e+36f ;
  	float methane_mixing_ratio_precision(time, scanline, ground_pixel) ;
  		methane_mixing_ratio_precision:units = "1e-9" ;
  		methane_mixing_ratio_precision:standard_name = "dry_atmosphere_mole_fraction_of_methane standard_error" ;
  		methane_mixing_ratio_precision:long_name = "precision of the column averaged dry air mixing ratio of methane" ;
  		methane_mixing_ratio_precision:coordinates = "longitude latitude" ;
  		methane_mixing_ratio_precision:_FillValue = 9.96921e+36f ;
  	float methane_mixing_ratio_bias_corrected(time, scanline, ground_pixel) ;
  		methane_mixing_ratio_bias_corrected:units = "1e-9" ;
  		methane_mixing_ratio_bias_corrected:standard_name = "dry_atmosphere_mole_fraction_of_methane" ;
  		methane_mixing_ratio_bias_corrected:long_name = "bias corrected column-averaged dry-air mole fraction of methane" ;
  		methane_mixing_ratio_bias_corrected:coordinates = "longitude latitude" ;
  		methane_mixing_ratio_bias_corrected:ancillary_variables = "methane_mixing_ratio_precision column_averaging_kernel chi_square degrees_of_freedom" ;
  		methane_mixing_ratio_bias_corrected:comment = "This value will be filled with data after the commissioning phase, this is known to be empty for now" ;
  		methane_mixing_ratio_bias_corrected:_FillValue = 9.96921e+36f ;

  group: SUPPORT_DATA {

    group: GEOLOCATIONS {
      variables:
      	float satellite_latitude(time, scanline) ;
      		satellite_latitude:long_name = "sub satellite latitude" ;
      		satellite_latitude:units = "degrees_north" ;
      		satellite_latitude:comment = "Latitude of the geodetic sub satellite point on the WGS84 reference ellipsoid" ;
      		satellite_latitude:valid_min = -90.f ;
      		satellite_latitude:valid_max = 90.f ;
      		satellite_latitude:_FillValue = 9.96921e+36f ;
      	float satellite_longitude(time, scanline) ;
      		satellite_longitude:long_name = "satellite_longitude" ;
      		satellite_longitude:units = "degrees_east" ;
      		satellite_longitude:comment = "Longitude of the geodetic sub satellite point on the WGS84 reference ellipsoid" ;
      		satellite_longitude:valid_min = -180.f ;
      		satellite_longitude:valid_max = 180.f ;
      		satellite_longitude:_FillValue = 9.96921e+36f ;
      	float satellite_altitude(time, scanline) ;
      		satellite_altitude:long_name = "satellite altitude" ;
      		satellite_altitude:units = "m" ;
      		satellite_altitude:comment = "The altitude of the satellite with respect to the geodetic sub satellite point on the WGS84 reference ellipsoid" ;
      		satellite_altitude:valid_min = 700000.f ;
      		satellite_altitude:valid_max = 900000.f ;
      		satellite_altitude:_FillValue = 9.96921e+36f ;
      	float satellite_orbit_phase(time, scanline) ;
      		satellite_orbit_phase:long_name = "fractional satellite orbit phase" ;
      		satellite_orbit_phase:units = "1" ;
      		satellite_orbit_phase:comment = "Relative offset [0.0, ..., 1.0] of the measurement in the orbit" ;
      		satellite_orbit_phase:valid_min = -0.02f ;
      		satellite_orbit_phase:valid_max = 1.02f ;
      		satellite_orbit_phase:_FillValue = 9.96921e+36f ;
      	float solar_zenith_angle(time, scanline, ground_pixel) ;
      		solar_zenith_angle:long_name = "solar zenith angle" ;
      		solar_zenith_angle:standard_name = "solar_zenith_angle" ;
      		solar_zenith_angle:units = "degree" ;
      		solar_zenith_angle:valid_min = 0.f ;
      		solar_zenith_angle:valid_max = 180.f ;
      		solar_zenith_angle:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		solar_zenith_angle:comment = "Solar zenith angle at the ground pixel location on the reference ellipsoid. Angle is measured away from the vertical" ;
      		solar_zenith_angle:_FillValue = 9.96921e+36f ;
      	float solar_azimuth_angle(time, scanline, ground_pixel) ;
      		solar_azimuth_angle:long_name = "solar azimuth angle" ;
      		solar_azimuth_angle:standard_name = "solar_azimuth_angle" ;
      		solar_azimuth_angle:units = "degree" ;
      		solar_azimuth_angle:valid_min = -180.f ;
      		solar_azimuth_angle:valid_max = 180.f ;
      		solar_azimuth_angle:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		solar_azimuth_angle:comment = "Solar azimuth angle at the ground pixel location on the reference ellipsoid. Angle is measured clockwise from the North (East = 90, South = 180, West = 270)" ;
      		solar_azimuth_angle:_FillValue = 9.96921e+36f ;
      	float viewing_zenith_angle(time, scanline, ground_pixel) ;
      		viewing_zenith_angle:long_name = "viewing zenith angle" ;
      		viewing_zenith_angle:standard_name = "viewing_zenith_angle" ;
      		viewing_zenith_angle:units = "degree" ;
      		viewing_zenith_angle:valid_min = 0.f ;
      		viewing_zenith_angle:valid_max = 180.f ;
      		viewing_zenith_angle:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		viewing_zenith_angle:comment = "Zenith angle of the satellite at the ground pixel location on the reference ellipsoid. Angle is measured away from the vertical" ;
      		viewing_zenith_angle:_FillValue = 9.96921e+36f ;
      	float viewing_azimuth_angle(time, scanline, ground_pixel) ;
      		viewing_azimuth_angle:long_name = "viewing azimuth angle" ;
      		viewing_azimuth_angle:standard_name = "viewing_azimuth_angle" ;
      		viewing_azimuth_angle:units = "degree" ;
      		viewing_azimuth_angle:valid_min = -180.f ;
      		viewing_azimuth_angle:valid_max = 180.f ;
      		viewing_azimuth_angle:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		viewing_azimuth_angle:comment = "Satellite azimuth angle at the ground pixel location on the reference ellipsoid. Angle is measured clockwise from the North (East = 90, South = 180, West = 270)" ;
      		viewing_azimuth_angle:_FillValue = 9.96921e+36f ;
      	float latitude_bounds(time, scanline, ground_pixel, corner) ;
      		latitude_bounds:_FillValue = 9.96921e+36f ;
      	float longitude_bounds(time, scanline, ground_pixel, corner) ;
      		longitude_bounds:_FillValue = 9.96921e+36f ;
      	ubyte geolocation_flags(time, scanline, ground_pixel) ;
      		geolocation_flags:_FillValue = 255UB ;
      		geolocation_flags:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		geolocation_flags:flag_masks = 0UB, 1UB, 2UB, 4UB, 8UB, 16UB, 128UB ;
      		geolocation_flags:flag_meanings = "no_error solar_eclipse sun_glint_possible descending night geo_boundary_crossing geolocation_error" ;
      		geolocation_flags:flag_values = 0UB, 1UB, 2UB, 4UB, 8UB, 16UB, 128UB ;
      		geolocation_flags:long_name = "ground pixel quality flag" ;
      		geolocation_flags:max_val = 254UB ;
      		geolocation_flags:min_val = 0UB ;
      		geolocation_flags:units = "1" ;
      } // group GEOLOCATIONS

    group: DETAILED_RESULTS {
      variables:
      	uint processing_quality_flags(time, scanline, ground_pixel) ;
      		processing_quality_flags:long_name = "Processing quality flags" ;
      		processing_quality_flags:comment = "Flags indicating conditions that affect quality of the retrieval." ;
      		processing_quality_flags:flag_meanings = "success radiance_missing irradiance_missing input_spectrum_missing reflectance_range_error ler_range_error snr_range_error sza_range_error vza_range_error lut_range_error ozone_range_error wavelength_offset_error initialization_error memory_error assertion_error io_error numerical_error lut_error ISRF_error convergence_error cloud_filter_convergence_error max_iteration_convergence_error aot_lower_boundary_convergence_error other_boundary_convergence_error geolocation_error ch4_noscat_zero_error h2o_noscat_zero_error max_optical_thickness_error aerosol_boundary_error boundary_hit_error chi2_error svd_error dfs_error radiative_transfer_error optimal_estimation_error profile_error cloud_error model_error number_of_input_data_points_too_low_error cloud_pressure_spread_too_low_error cloud_too_low_level_error generic_range_error generic_exception input_spectrum_alignment_error abort_error wrong_input_type_error wavelength_calibration_error coregistration_error slant_column_density_error airmass_factor_error vertical_column_density_error signal_to_noise_ratio_error configuration_error key_error saturation_error solar_eclipse_filter cloud_filter altitude_consistency_filter altitude_roughness_filter sun_glint_filter mixed_surface_type_filter snow_ice_filter aai_filter cloud_fraction_fresco_filter aai_scene_albedo_filter small_pixel_radiance_std_filter cloud_fraction_viirs_filter cirrus_reflectance_viirs_filter cf_viirs_swir_ifov_filter cf_viirs_swir_ofova_filter cf_viirs_swir_ofovb_filter cf_viirs_swir_ofovc_filter cf_viirs_nir_ifov_filter cf_viirs_nir_ofova_filter cf_viirs_nir_ofovb_filter cf_viirs_nir_ofovc_filter refl_cirrus_viirs_swir_filter refl_cirrus_viirs_nir_filter diff_refl_cirrus_viirs_filter ch4_noscat_ratio_filter ch4_noscat_ratio_std_filter h2o_noscat_ratio_filter h2o_noscat_ratio_std_filter diff_psurf_fresco_ecmwf_filter psurf_fresco_stdv_filter ocean_filter time_range_filter pixel_or_scanline_index_filter geographic_region_filter input_spectrum_warning wavelength_calibration_warning extrapolation_warning sun_glint_warning south_atlantic_anomaly_warning sun_glint_correction snow_ice_warning cloud_warning AAI_warning pixel_level_input_data_missing data_range_warning low_cloud_fraction_warning altitude_consistency_warning signal_to_noise_ratio_warning deconvolution_warning so2_volcanic_origin_likely_warning so2_volcanic_origin_certain_warning interpolation_warning saturation_warning high_sza_warning cloud_retrieval_warning cloud_inhomogeneity_warning" ;
      		processing_quality_flags:flag_masks = 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 255U, 256U, 512U, 1024U, 2048U, 4096U, 8192U, 16384U, 32768U, 65536U, 131072U, 262144U, 524288U, 1048576U, 2097152U, 4194304U, 8388608U, 16777216U, 33554432U, 67108864U, 134217728U, 268435456U, 536870912U ;
      		processing_quality_flags:flag_values = 0U, 1U, 2U, 3U, 4U, 5U, 6U, 7U, 8U, 9U, 10U, 11U, 12U, 13U, 14U, 15U, 16U, 17U, 18U, 19U, 20U, 21U, 22U, 23U, 24U, 25U, 26U, 27U, 28U, 29U, 30U, 31U, 32U, 33U, 34U, 35U, 36U, 37U, 38U, 39U, 40U, 41U, 42U, 43U, 44U, 45U, 46U, 47U, 48U, 49U, 50U, 51U, 52U, 53U, 54U, 64U, 65U, 66U, 67U, 68U, 69U, 70U, 71U, 72U, 73U, 74U, 75U, 76U, 77U, 78U, 79U, 80U, 81U, 82U, 83U, 84U, 85U, 86U, 87U, 88U, 89U, 90U, 91U, 92U, 93U, 94U, 95U, 96U, 97U, 256U, 512U, 1024U, 2048U, 4096U, 8192U, 16384U, 32768U, 65536U, 131072U, 262144U, 524288U, 1048576U, 2097152U, 4194304U, 8388608U, 16777216U, 33554432U, 67108864U, 134217728U, 268435456U, 536870912U ;
      		processing_quality_flags:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		processing_quality_flags:_FillValue = 4294967295U ;
      	ushort number_of_spectral_points_in_retrieval(time, scanline, ground_pixel) ;
      		number_of_spectral_points_in_retrieval:long_name = "Number of spectral points used in the retrieval" ;
      		number_of_spectral_points_in_retrieval:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		number_of_spectral_points_in_retrieval:_FillValue = 65535US ;
      	ushort number_of_spectral_points_in_retrieval_NIR(time, scanline, ground_pixel) ;
      		number_of_spectral_points_in_retrieval_NIR:long_name = "number of spectral points used in the retrieval." ;
      		number_of_spectral_points_in_retrieval_NIR:comment = "Flags indicating conditions that affect quality of the retrieval." ;
      		number_of_spectral_points_in_retrieval_NIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		number_of_spectral_points_in_retrieval_NIR:_FillValue = 65535US ;
      	float column_averaging_kernel(time, scanline, ground_pixel, layer) ;
      		column_averaging_kernel:units = "1" ;
      		column_averaging_kernel:long_name = "Column averaging kernel for the methane retrieval" ;
      		column_averaging_kernel:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		column_averaging_kernel:_FillValue = 9.96921e+36f ;
      	float carbonmonoxide_total_column(time, scanline, ground_pixel) ;
      		carbonmonoxide_total_column:units = "mol m-2" ;
      		carbonmonoxide_total_column:standard_name = "atmosphere_mole_content_of_carbon_monoxide" ;
      		carbonmonoxide_total_column:long_name = "CO total vertical column" ;
      		carbonmonoxide_total_column:comment = "This is a by-product of the methane retrieval, this is not the official carbon monoxide product." ;
      		carbonmonoxide_total_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		carbonmonoxide_total_column:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		carbonmonoxide_total_column:_FillValue = 9.96921e+36f ;
      	float carbonmonoxide_total_column_precision(time, scanline, ground_pixel) ;
      		carbonmonoxide_total_column_precision:units = "mol m-2" ;
      		carbonmonoxide_total_column_precision:standard_name = "atmosphere_mole_content_of_carbon_monoxide standard_error" ;
      		carbonmonoxide_total_column_precision:long_name = "CO total vertical column precision" ;
      		carbonmonoxide_total_column_precision:comment = "This is a by-product of the methane retrieval, this is not the official carbon monoxide product." ;
      		carbonmonoxide_total_column_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		carbonmonoxide_total_column_precision:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		carbonmonoxide_total_column_precision:_FillValue = 9.96921e+36f ;
      	float water_total_column(time, scanline, ground_pixel) ;
      		water_total_column:units = "mol m-2" ;
      		water_total_column:standard_name = "atmosphere_mole_content_of_water_vapor" ;
      		water_total_column:long_name = "H2O total vertical column" ;
      		water_total_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		water_total_column:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		water_total_column:_FillValue = 9.96921e+36f ;
      	float water_total_column_precision(time, scanline, ground_pixel) ;
      		water_total_column_precision:units = "mol m-2" ;
      		water_total_column_precision:standard_name = "atmosphere_mole_content_of_water_vapor standard_error" ;
      		water_total_column_precision:long_name = "H2O total vertical column precision" ;
      		water_total_column_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		water_total_column_precision:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		water_total_column_precision:_FillValue = 9.96921e+36f ;
      	float aerosol_size(time, scanline, ground_pixel) ;
      		aerosol_size:units = "1" ;
      		aerosol_size:long_name = "aerosol size parameter of the power law size distribution" ;
      		aerosol_size:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_size:_FillValue = 9.96921e+36f ;
      	float aerosol_size_precision(time, scanline, ground_pixel) ;
      		aerosol_size_precision:units = "1" ;
      		aerosol_size_precision:long_name = "precision of the aerosol size parameter of the power law size distribution" ;
      		aerosol_size_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_size_precision:_FillValue = 9.96921e+36f ;
      	float aerosol_number_column(time, scanline, ground_pixel) ;
      		aerosol_number_column:units = "m-2" ;
      		aerosol_number_column:standard_name = "atmosphere_number_content_of_aerosol_particles" ;
      		aerosol_number_column:long_name = "aerosol total vertical number column" ;
      		aerosol_number_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_number_column:_FillValue = 9.96921e+36f ;
      	float aerosol_number_column_precision(time, scanline, ground_pixel) ;
      		aerosol_number_column_precision:units = "m-2" ;
      		aerosol_number_column_precision:standard_name = "atmosphere_number_content_of_aerosol_particles standard_error" ;
      		aerosol_number_column_precision:long_name = "precision of aerosol total vertical column" ;
      		aerosol_number_column_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_number_column_precision:_FillValue = 9.96921e+36f ;
      	float aerosol_mid_altitude(time, scanline, ground_pixel) ;
      		aerosol_mid_altitude:units = "m" ;
      		aerosol_mid_altitude:long_name = "central altitude of aerosol altitude distribution. This is the geometric height above the geoid." ;
      		aerosol_mid_altitude:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_mid_altitude:_FillValue = 9.96921e+36f ;
      	float aerosol_mid_altitude_precision(time, scanline, ground_pixel) ;
      		aerosol_mid_altitude_precision:units = "m" ;
      		aerosol_mid_altitude_precision:long_name = "precision of central altitude of aerosol altitude distribution." ;
      		aerosol_mid_altitude_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_mid_altitude_precision:_FillValue = 9.96921e+36f ;
      	float surface_albedo_SWIR(time, scanline, ground_pixel) ;
      		surface_albedo_SWIR:units = "1" ;
      		surface_albedo_SWIR:standard_name = "surface_albedo" ;
      		surface_albedo_SWIR:long_name = "surface albedo in the SWIR channel" ;
      		surface_albedo_SWIR:radiation_wavelength = 2345.f ;
      		surface_albedo_SWIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_albedo_SWIR:_FillValue = 9.96921e+36f ;
      	float surface_albedo_SWIR_precision(time, scanline, ground_pixel) ;
      		surface_albedo_SWIR_precision:units = "1" ;
      		surface_albedo_SWIR_precision:standard_name = "surface_albedo standard_error" ;
      		surface_albedo_SWIR_precision:long_name = "precision of the surface albedo in the SWIR channel" ;
      		surface_albedo_SWIR_precision:radiation_wavelength = 2345.f ;
      		surface_albedo_SWIR_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_albedo_SWIR_precision:_FillValue = 9.96921e+36f ;
      	float surface_albedo_NIR(time, scanline, ground_pixel) ;
      		surface_albedo_NIR:units = "1" ;
      		surface_albedo_NIR:standard_name = "surface_albedo" ;
      		surface_albedo_NIR:long_name = "surface albedo in the NIR channel" ;
      		surface_albedo_NIR:radiation_wavelength = 758.f ;
      		surface_albedo_NIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_albedo_NIR:_FillValue = 9.96921e+36f ;
      	float surface_albedo_NIR_precision(time, scanline, ground_pixel) ;
      		surface_albedo_NIR_precision:units = "1" ;
      		surface_albedo_NIR_precision:standard_name = "surface_albedo standard_error" ;
      		surface_albedo_NIR_precision:long_name = "precision of the surface albedo in the NIR channel" ;
      		surface_albedo_NIR_precision:radiation_wavelength = 758.f ;
      		surface_albedo_NIR_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_albedo_NIR_precision:_FillValue = 9.96921e+36f ;
      	float aerosol_optical_thickness_SWIR(time, scanline, ground_pixel) ;
      		aerosol_optical_thickness_SWIR:units = "1" ;
      		aerosol_optical_thickness_SWIR:long_name = "aerosol optical thickness in SWIR channel" ;
      		aerosol_optical_thickness_SWIR:radiation_wavelength = 2345.f ;
      		aerosol_optical_thickness_SWIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_optical_thickness_SWIR:_FillValue = 9.96921e+36f ;
      	float aerosol_optical_thickness_NIR(time, scanline, ground_pixel) ;
      		aerosol_optical_thickness_NIR:units = "1" ;
      		aerosol_optical_thickness_NIR:long_name = "aerosol optical thickness in NIR band" ;
      		aerosol_optical_thickness_NIR:radiation_wavelength = 758.f ;
      		aerosol_optical_thickness_NIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		aerosol_optical_thickness_NIR:_FillValue = 9.96921e+36f ;
      	float wavelength_calibration_offset_SWIR(time, scanline, ground_pixel) ;
      		wavelength_calibration_offset_SWIR:units = "nm" ;
      		wavelength_calibration_offset_SWIR:long_name = "Spectral shift in the SWIR band, add value to L1B to obtain best fit result" ;
      		wavelength_calibration_offset_SWIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		wavelength_calibration_offset_SWIR:_FillValue = 9.96921e+36f ;
      	float wavelength_calibration_offset_NIR(time, scanline, ground_pixel) ;
      		wavelength_calibration_offset_NIR:units = "nm" ;
      		wavelength_calibration_offset_NIR:long_name = "Spectral shift in the NIR band, add value to L1B to obtain best fit result" ;
      		wavelength_calibration_offset_NIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		wavelength_calibration_offset_NIR:_FillValue = 9.96921e+36f ;
      	float chi_square(time, scanline, ground_pixel) ;
      		chi_square:units = "1" ;
      		chi_square:long_name = "chi squared of fit in both SWIR and NIR band" ;
      		chi_square:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		chi_square:_FillValue = 9.96921e+36f ;
      	float chi_square_SWIR(time, scanline, ground_pixel) ;
      		chi_square_SWIR:units = "1" ;
      		chi_square_SWIR:long_name = "chi squared of fit in SWIR band" ;
      		chi_square_SWIR:radiation_wavelength = 2345.f ;
      		chi_square_SWIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		chi_square_SWIR:_FillValue = 9.96921e+36f ;
      	float chi_square_NIR(time, scanline, ground_pixel) ;
      		chi_square_NIR:units = "1" ;
      		chi_square_NIR:long_name = "chi squared of fit in NIR band" ;
      		chi_square_NIR:radiation_wavelength = 758.f ;
      		chi_square_NIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		chi_square_NIR:_FillValue = 9.96921e+36f ;
      	float degrees_of_freedom(time, scanline, ground_pixel) ;
      		degrees_of_freedom:units = "1" ;
      		degrees_of_freedom:long_name = "degrees of freedom for signal" ;
      		degrees_of_freedom:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		degrees_of_freedom:_FillValue = 9.96921e+36f ;
      	float degrees_of_freedom_methane(time, scanline, ground_pixel) ;
      		degrees_of_freedom_methane:units = "1" ;
      		degrees_of_freedom_methane:long_name = "degrees of freedom for \\Methane profile" ;
      		degrees_of_freedom_methane:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		degrees_of_freedom_methane:_FillValue = 9.96921e+36f ;
      	float degrees_of_freedom_aerosol(time, scanline, ground_pixel) ;
      		degrees_of_freedom_aerosol:units = "1" ;
      		degrees_of_freedom_aerosol:long_name = "degrees of freedom for aerosol parameters" ;
      		degrees_of_freedom_aerosol:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		degrees_of_freedom_aerosol:_FillValue = 9.96921e+36f ;
      	int number_of_iterations(time, scanline, ground_pixel) ;
      		number_of_iterations:long_name = "number of iterations" ;
      		number_of_iterations:units = "1" ;
      		number_of_iterations:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		number_of_iterations:_FillValue = -2147483647 ;
      	float fluorescence(time, scanline, ground_pixel) ;
      		fluorescence:units = "mol s-1 m-2 nm-1 sr-1" ;
      		fluorescence:long_name = "fluorescence emission" ;
      		fluorescence:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		fluorescence:multiplication_factor_to_convert_to_photons_persecond_pernm_percm2_persr = 6.022141e+19f ;
      		fluorescence:_FillValue = 9.96921e+36f ;
      } // group DETAILED_RESULTS

    group: INPUT_DATA {
      variables:
      	float surface_altitude(time, scanline, ground_pixel) ;
      		surface_altitude:long_name = "Surface altitude" ;
      		surface_altitude:standard_name = "surface_altitude" ;
      		surface_altitude:units = "m" ;
      		surface_altitude:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_altitude:source = "http://topotools.cr.usgs.gov/gmted_viewer/" ;
      		surface_altitude:comment = "The mean of the sub-pixels of the surface altitudewithin the approximate field of view, based on the GMTED2010 surface elevation database" ;
      		surface_altitude:_FillValue = 9.96921e+36f ;
      	float surface_altitude_precision(time, scanline, ground_pixel) ;
      		surface_altitude_precision:long_name = "surface altitude precision" ;
      		surface_altitude_precision:standard_name = "surface_altitude standard_error" ;
      		surface_altitude_precision:units = "m" ;
      		surface_altitude_precision:standard_error_multiplier = 1.f ;
      		surface_altitude_precision:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_altitude_precision:source = "http://topotools.cr.usgs.gov/gmted_viewer/" ;
      		surface_altitude_precision:comment = "The standard deviation of sub-pixels used in calculating the mean surface altitude, based on the GMTED2010 surface elevation database" ;
      		surface_altitude_precision:_FillValue = 9.96921e+36f ;
      	ubyte surface_classification(time, scanline, ground_pixel) ;
      		surface_classification:long_name = "Land-water mask and surface classification based on a static database" ;
      		surface_classification:comment = "Flag indicating land/water and further surface classifications for the ground pixel" ;
      		surface_classification:source = "USGS (https://lta.cr.usgs.gov/GLCC) and NASA SDP toolkit (http://newsroom.gsfc.nasa.gov/sdptoolkit/toolkit.html)" ;
      		surface_classification:flag_meanings = "land water some_water coast value_covers_majority_of_pixel water+shallow_ocean water+shallow_inland_water water+ocean_coastline-lake_shoreline water+intermittent_water water+deep_inland_water water+continental_shelf_ocean water+deep_ocean land+urban_and_built-up_land land+dryland_cropland_and_pasture land+irrigated_cropland_and_pasture land+mixed_dryland-irrigated_cropland_and_pasture land+cropland-grassland_mosaic land+cropland-woodland_mosaic land+grassland land+shrubland land+mixed_shrubland-grassland land+savanna land+deciduous_broadleaf_forest land+deciduous_needleleaf_forest land+evergreen_broadleaf_forest land+evergreen_needleleaf_forest land+mixed_forest land+herbaceous_wetland land+wooded_wetland land+barren_or_sparsely_vegetated land+herbaceous_tundra land+wooded_tundra land+mixed_tundra land+bare_ground_tundra land+snow_or_ice" ;
      		surface_classification:flag_values = 0UB, 1UB, 2UB, 3UB, 4UB, 9UB, 17UB, 25UB, 33UB, 41UB, 49UB, 57UB, 8UB, 16UB, 24UB, 32UB, 40UB, 48UB, 56UB, 64UB, 72UB, 80UB, 88UB, 96UB, 104UB, 112UB, 120UB, 128UB, 136UB, 144UB, 152UB, 160UB, 168UB, 176UB, 184UB ;
      		surface_classification:flag_masks = 3UB, 3UB, 3UB, 3UB, 4UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB, 249UB ;
      		surface_classification:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_classification:_FillValue = 255UB ;
      	int instrument_configuration_identifier(time, scanline) ;
      		instrument_configuration_identifier:long_name = "IcID" ;
      		instrument_configuration_identifier:comment = "The Instrument Configuration ID defines the type of measurement and its purpose. The number of instrument configuration IDs will increase over the mission as new types of measurements are created and used" ;
      		instrument_configuration_identifier:_FillValue = -2147483647 ;
      	short instrument_configuration_version(time, scanline) ;
      		instrument_configuration_version:long_name = "IcVersion" ;
      		instrument_configuration_version:comment = "Version of the instrument_configuration_identifier" ;
      		instrument_configuration_version:_FillValue = -32767s ;
      	float scaled_small_pixel_variance(time, scanline, ground_pixel) ;
      		scaled_small_pixel_variance:long_name = "scaled small pixel variance" ;
      		scaled_small_pixel_variance:units = "1" ;
      		scaled_small_pixel_variance:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		scaled_small_pixel_variance:comment = "The scaled variance of the reflectances of the small pixels" ;
      		scaled_small_pixel_variance:radiation_wavelength = 2315.f ;
      		scaled_small_pixel_variance:_FillValue = 9.96921e+36f ;
      	float eastward_wind(time, scanline, ground_pixel) ;
      		eastward_wind:standard_name = "eastward_wind" ;
      		eastward_wind:long_name = "Eastward wind from ECMWF at 10 meter height level" ;
      		eastward_wind:units = "m s-1" ;
      		eastward_wind:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		eastward_wind:ancillary_variables = "northward_wind" ;
      		eastward_wind:_FillValue = 9.96921e+36f ;
      	float northward_wind(time, scanline, ground_pixel) ;
      		northward_wind:standard_name = "northward_wind" ;
      		northward_wind:long_name = "Northward wind from ECMWF at 10 meter height level" ;
      		northward_wind:units = "m s-1" ;
      		northward_wind:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		northward_wind:ancillary_variables = "eastward_wind" ;
      		northward_wind:_FillValue = 9.96921e+36f ;
      	float methane_profile_apriori(time, scanline, ground_pixel, layer) ;
      		methane_profile_apriori:units = "mol m-2" ;
      		methane_profile_apriori:standard_name = "mole_content_of_methane_in_atmosphere_layer" ;
      		methane_profile_apriori:long_name = "mole content of methane in atmosphere layer" ;
      		methane_profile_apriori:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		methane_profile_apriori:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		methane_profile_apriori:_FillValue = 9.96921e+36f ;
      	float altitude_levels(time, scanline, ground_pixel, level) ;
      		altitude_levels:units = "m" ;
      		altitude_levels:standard_name = "altitude" ;
      		altitude_levels:long_name = "height above the geoid" ;
      		altitude_levels:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		altitude_levels:_FillValue = 9.96921e+36f ;
      	float dry_air_subcolumns(time, scanline, ground_pixel, layer) ;
      		dry_air_subcolumns:units = "mol m-2" ;
      		dry_air_subcolumns:proposed_standard_name = "mole_content_of_dry_air_in_atmosphere_layer" ;
      		dry_air_subcolumns:long_name = "dry air subcolumns" ;
      		dry_air_subcolumns:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		dry_air_subcolumns:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		dry_air_subcolumns:_FillValue = 9.96921e+36f ;
      	float surface_pressure(time, scanline, ground_pixel) ;
      		surface_pressure:units = "Pa" ;
      		surface_pressure:standard_name = "surface_air_pressure" ;
      		surface_pressure:long_name = "surface air pressure" ;
      		surface_pressure:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		surface_pressure:_FillValue = 9.96921e+36f ;
      	float pressure_interval(time, scanline, ground_pixel) ;
      		pressure_interval:units = "Pa" ;
      		pressure_interval:long_name = "pressure difference between levels in the retrieval" ;
      		pressure_interval:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		pressure_interval:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_SWIR_IFOV(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_SWIR_IFOV:units = "1" ;
      		cloud_fraction_VIIRS_SWIR_IFOV:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the instantaneous field of view" ;
      		cloud_fraction_VIIRS_SWIR_IFOV:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_SWIR_IFOV:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_SWIR_OFOVa(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_SWIR_OFOVa:units = "1" ;
      		cloud_fraction_VIIRS_SWIR_OFOVa:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the 10% upscaled field of view" ;
      		cloud_fraction_VIIRS_SWIR_OFOVa:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_SWIR_OFOVa:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_SWIR_OFOVb(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_SWIR_OFOVb:units = "1" ;
      		cloud_fraction_VIIRS_SWIR_OFOVb:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the 50% upscaled field of view" ;
      		cloud_fraction_VIIRS_SWIR_OFOVb:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_SWIR_OFOVb:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_SWIR_OFOVc(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_SWIR_OFOVc:units = "1" ;
      		cloud_fraction_VIIRS_SWIR_OFOVc:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the 100% upscaled field of view" ;
      		cloud_fraction_VIIRS_SWIR_OFOVc:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_SWIR_OFOVc:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_NIR_IFOV(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_NIR_IFOV:units = "1" ;
      		cloud_fraction_VIIRS_NIR_IFOV:long_name = "Cloud fraction from VIIRS data in the NIR channel for the instantaneous field of view (band 6)." ;
      		cloud_fraction_VIIRS_NIR_IFOV:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_NIR_IFOV:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_NIR_OFOVa(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_NIR_OFOVa:units = "1" ;
      		cloud_fraction_VIIRS_NIR_OFOVa:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the 10% upscaled field of view" ;
      		cloud_fraction_VIIRS_NIR_OFOVa:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_NIR_OFOVa:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_NIR_OFOVb(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_NIR_OFOVb:units = "1" ;
      		cloud_fraction_VIIRS_NIR_OFOVb:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the 50% upscaled field of view" ;
      		cloud_fraction_VIIRS_NIR_OFOVb:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_NIR_OFOVb:_FillValue = 9.96921e+36f ;
      	float cloud_fraction_VIIRS_NIR_OFOVc(time, scanline, ground_pixel) ;
      		cloud_fraction_VIIRS_NIR_OFOVc:units = "1" ;
      		cloud_fraction_VIIRS_NIR_OFOVc:long_name = "Cloud fraction from VIIRS data in the SWIR channel for the 100% upscaled field of view" ;
      		cloud_fraction_VIIRS_NIR_OFOVc:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		cloud_fraction_VIIRS_NIR_OFOVc:_FillValue = 9.96921e+36f ;
      	float reflectance_cirrus_VIIRS_SWIR(time, scanline, ground_pixel) ;
      		reflectance_cirrus_VIIRS_SWIR:units = "1" ;
      		reflectance_cirrus_VIIRS_SWIR:long_name = "Cirrus reflectance from VIIRS for the SWIR ground pixel" ;
      		reflectance_cirrus_VIIRS_SWIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		reflectance_cirrus_VIIRS_SWIR:_FillValue = 9.96921e+36f ;
      	float reflectance_cirrus_VIIRS_NIR(time, scanline, ground_pixel) ;
      		reflectance_cirrus_VIIRS_NIR:units = "1" ;
      		reflectance_cirrus_VIIRS_NIR:long_name = "Cirrus reflectance from VIIRS for the NIR ground pixel" ;
      		reflectance_cirrus_VIIRS_NIR:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		reflectance_cirrus_VIIRS_NIR:_FillValue = 9.96921e+36f ;
      	float apparent_scene_pressure(time, scanline, ground_pixel) ;
      		apparent_scene_pressure:units = "Pa" ;
      		apparent_scene_pressure:long_name = "Apparent scene pressure from oxygen A-band depth" ;
      		apparent_scene_pressure:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		apparent_scene_pressure:_FillValue = 9.96921e+36f ;
      	float apparent_scene_pressure_standard_deviation(time, scanline, ground_pixel) ;
      		apparent_scene_pressure_standard_deviation:units = "Pa" ;
      		apparent_scene_pressure_standard_deviation:long_name = "Standard deviation of the apparent scene pressure from oxygen A-band depth over 9 ground pixels" ;
      		apparent_scene_pressure_standard_deviation:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		apparent_scene_pressure_standard_deviation:_FillValue = 9.96921e+36f ;
      	float methane_weak_twoband_total_column(time, scanline, ground_pixel) ;
      		methane_weak_twoband_total_column:units = "mol m-2" ;
      		methane_weak_twoband_total_column:standard_name = "atmosphere_mole_content_of_methane" ;
      		methane_weak_twoband_total_column:long_name = "Vertically integrated CH4 column from weak band" ;
      		methane_weak_twoband_total_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		methane_weak_twoband_total_column:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		methane_weak_twoband_total_column:_FillValue = 9.96921e+36f ;
      	float methane_strong_twoband_total_column(time, scanline, ground_pixel) ;
      		methane_strong_twoband_total_column:units = "mol m-2" ;
      		methane_strong_twoband_total_column:standard_name = "atmosphere_mole_content_of_methane" ;
      		methane_strong_twoband_total_column:long_name = "Vertically integrated CH4 column from strong band" ;
      		methane_strong_twoband_total_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		methane_strong_twoband_total_column:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		methane_strong_twoband_total_column:_FillValue = 9.96921e+36f ;
      	float methane_ratio_weak_strong_standard_deviation(time, scanline, ground_pixel) ;
      		methane_ratio_weak_strong_standard_deviation:units = "1" ;
      		methane_ratio_weak_strong_standard_deviation:long_name = "Standard deviation of ratio of the methane column from weak and strong band over 9 ground pixels" ;
      		methane_ratio_weak_strong_standard_deviation:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		methane_ratio_weak_strong_standard_deviation:_FillValue = 9.96921e+36f ;
      	float water_weak_twoband_total_column(time, scanline, ground_pixel) ;
      		water_weak_twoband_total_column:units = "mol m-2" ;
      		water_weak_twoband_total_column:standard_name = "atmosphere_mole_content_of_water_vapor" ;
      		water_weak_twoband_total_column:long_name = "Vertically integrated H2O column from weak band" ;
      		water_weak_twoband_total_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		water_weak_twoband_total_column:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		water_weak_twoband_total_column:_FillValue = 9.96921e+36f ;
      	float water_strong_twoband_total_column(time, scanline, ground_pixel) ;
      		water_strong_twoband_total_column:units = "mol m-2" ;
      		water_strong_twoband_total_column:standard_name = "atmosphere_mole_content_of_water_vapor" ;
      		water_strong_twoband_total_column:long_name = "Vertically integrated H2O column from strong band" ;
      		water_strong_twoband_total_column:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		water_strong_twoband_total_column:multiplication_factor_to_convert_to_molecules_percm2 = 6.022141e+19f ;
      		water_strong_twoband_total_column:_FillValue = 9.96921e+36f ;
      	float water_ratio_weak_strong_standard_deviation(time, scanline, ground_pixel) ;
      		water_ratio_weak_strong_standard_deviation:units = "1" ;
      		water_ratio_weak_strong_standard_deviation:long_name = "Standard deviation of ratio of the water vapor column from weak and strong band over 9 ground pixels" ;
      		water_ratio_weak_strong_standard_deviation:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		water_ratio_weak_strong_standard_deviation:_FillValue = 9.96921e+36f ;
      	float fluorescence_apriori(time, scanline, ground_pixel) ;
      		fluorescence_apriori:units = "mol s-1 m-2 nm-1 sr-1" ;
      		fluorescence_apriori:long_name = "a priori fluorescence emission" ;
      		fluorescence_apriori:coordinates = "/PRODUCT/longitude /PRODUCT/latitude" ;
      		fluorescence_apriori:multiplication_factor_to_convert_to_photons_persecond_pernm_percm2_persr = 6.022141e+19f ;
      		fluorescence_apriori:_FillValue = 9.96921e+36f ;
      } // group INPUT_DATA
    } // group SUPPORT_DATA
  } // group PRODUCT

group: METADATA {

  group: QA_STATISTICS {
    dimensions:
    	vertices = 2 ;
    	XCH4_histogram_axis = 100 ;
    	XCH4_pdf_axis = 400 ;
    variables:
    	float methane_mixing_ratio_histogram_axis(XCH4_histogram_axis) ;
    		methane_mixing_ratio_histogram_axis:units = "1" ;
    		methane_mixing_ratio_histogram_axis:comment = "Histogram axis of methane mixing ratio" ;
    		methane_mixing_ratio_histogram_axis:long_name = "Histogram of the methane mixing ratio" ;
    		methane_mixing_ratio_histogram_axis:bounds = "XCH4_histogram_bounds" ;
    		methane_mixing_ratio_histogram_axis:_FillValue = 9.96921e+36f ;
    	float methane_mixing_ratio_pdf_axis(XCH4_pdf_axis) ;
    		methane_mixing_ratio_pdf_axis:units = "1" ;
    		methane_mixing_ratio_pdf_axis:comment = "Probability density function of methane dry air mixing ratio" ;
    		methane_mixing_ratio_pdf_axis:long_name = "Probability density function of methane dry air mixing ratio" ;
    		methane_mixing_ratio_pdf_axis:bounds = "XCH4_pdf_bounds" ;
    		methane_mixing_ratio_pdf_axis:_FillValue = 9.96921e+36f ;
    	float methane_mixing_ratio_histogram_bounds(XCH4_histogram_axis, vertices) ;
    		methane_mixing_ratio_histogram_bounds:_FillValue = 9.96921e+36f ;
    	float methane_mixing_ratio_pdf_bounds(XCH4_pdf_axis, vertices) ;
    		methane_mixing_ratio_pdf_bounds:_FillValue = 9.96921e+36f ;
    	int methane_mixing_ratio_histogram(XCH4_histogram_axis) ;
    		methane_mixing_ratio_histogram:comment = "Histogram of the Methane dry air mixing ratio" ;
    		methane_mixing_ratio_histogram:number_of_overflow_values = 0 ;
    		methane_mixing_ratio_histogram:number_of_underflow_values = 0 ;
    		methane_mixing_ratio_histogram:_FillValue = -2147483647 ;
    	float methane_mixing_ratio_pdf(XCH4_pdf_axis) ;
    		methane_mixing_ratio_pdf:comment = "Probability density function of the Methane dry air mixing ratio" ;
    		methane_mixing_ratio_pdf:geolocation_sampling_total = 39269.71f ;
    		methane_mixing_ratio_pdf:_FillValue = 9.96921e+36f ;

    // group attributes:
    		:number_of_groundpixels = 697675 ;
    		:number_of_processed_pixels = 697675 ;
    		:number_of_successfully_processed_pixels = 55357 ;
    		:number_of_rejected_pixels_not_enough_spectrum = 0 ;
    		:number_of_failed_retrievals = 642318 ;
    		:number_of_ground_pixels_with_warnings = 171828 ;
    		:number_of_radiance_missing_occurrences = 0 ;
    		:number_of_irradiance_missing_occurrences = 0 ;
    		:number_of_input_spectrum_missing_occurrences = 0 ;
    		:number_of_reflectance_range_error_occurrences = 0 ;
    		:number_of_ler_range_error_occurrences = 0 ;
    		:number_of_snr_range_error_occurrences = 52 ;
    		:number_of_sza_range_error_occurrences = 118323 ;
    		:number_of_vza_range_error_occurrences = 13718 ;
    		:number_of_lut_range_error_occurrences = 0 ;
    		:number_of_ozone_range_error_occurrences = 0 ;
    		:number_of_wavelength_offset_error_occurrences = 0 ;
    		:number_of_initialization_error_occurrences = 0 ;
    		:number_of_memory_error_occurrences = 0 ;
    		:number_of_assertion_error_occurrences = 0 ;
    		:number_of_io_error_occurrences = 0 ;
    		:number_of_numerical_error_occurrences = 0 ;
    		:number_of_lut_error_occurrences = 0 ;
    		:number_of_ISRF_error_occurrences = 0 ;
    		:number_of_convergence_error_occurrences = 693 ;
    		:number_of_cloud_filter_convergence_error_occurrences = 0 ;
    		:number_of_max_iteration_convergence_error_occurrences = 3 ;
    		:number_of_aot_lower_boundary_convergence_error_occurrences = 0 ;
    		:number_of_other_boundary_convergence_error_occurrences = 0 ;
    		:number_of_geolocation_error_occurrences = 0 ;
    		:number_of_ch4_noscat_zero_error_occurrences = 0 ;
    		:number_of_h2o_noscat_zero_error_occurrences = 0 ;
    		:number_of_max_optical_thickness_error_occurrences = 410 ;
    		:number_of_aerosol_boundary_error_occurrences = 1 ;
    		:number_of_boundary_hit_error_occurrences = 369 ;
    		:number_of_chi2_error_occurrences = 0 ;
    		:number_of_svd_error_occurrences = 0 ;
    		:number_of_dfs_error_occurrences = 0 ;
    		:number_of_radiative_transfer_error_occurrences = 0 ;
    		:number_of_optimal_estimation_error_occurrences = 0 ;
    		:number_of_profile_error_occurrences = 0 ;
    		:number_of_cloud_error_occurrences = 0 ;
    		:number_of_model_error_occurrences = 0 ;
    		:number_of_number_of_input_data_points_too_low_error_occurrences = 0 ;
    		:number_of_cloud_pressure_spread_too_low_error_occurrences = 0 ;
    		:number_of_cloud_too_low_level_error_occurrences = 0 ;
    		:number_of_generic_range_error_occurrences = 0 ;
    		:number_of_generic_exception_occurrences = 0 ;
    		:number_of_input_spectrum_alignment_error_occurrences = 0 ;
    		:number_of_abort_error_occurrences = 0 ;
    		:number_of_wrong_input_type_error_occurrences = 0 ;
    		:number_of_wavelength_calibration_error_occurrences = 0 ;
    		:number_of_coregistration_error_occurrences = 0 ;
    		:number_of_slant_column_density_error_occurrences = 0 ;
    		:number_of_airmass_factor_error_occurrences = 0 ;
    		:number_of_vertical_column_density_error_occurrences = 0 ;
    		:number_of_signal_to_noise_ratio_error_occurrences = 0 ;
    		:number_of_configuration_error_occurrences = 0 ;
    		:number_of_key_error_occurrences = 0 ;
    		:number_of_saturation_error_occurrences = 0 ;
    		:number_of_solar_eclipse_filter_occurrences = 0 ;
    		:number_of_cloud_filter_occurrences = 0 ;
    		:number_of_altitude_consistency_filter_occurrences = 0 ;
    		:number_of_altitude_roughness_filter_occurrences = 5994 ;
    		:number_of_sun_glint_filter_occurrences = 0 ;
    		:number_of_mixed_surface_type_filter_occurrences = 0 ;
    		:number_of_snow_ice_filter_occurrences = 0 ;
    		:number_of_aai_filter_occurrences = 0 ;
    		:number_of_cloud_fraction_fresco_filter_occurrences = 0 ;
    		:number_of_aai_scene_albedo_filter_occurrences = 0 ;
    		:number_of_small_pixel_radiance_std_filter_occurrences = 0 ;
    		:number_of_cloud_fraction_viirs_filter_occurrences = 0 ;
    		:number_of_cirrus_reflectance_viirs_filter_occurrences = 0 ;
    		:number_of_cf_viirs_swir_ifov_filter_occurrences = 97520 ;
    		:number_of_cf_viirs_swir_ofova_filter_occurrences = 0 ;
    		:number_of_cf_viirs_swir_ofovb_filter_occurrences = 0 ;
    		:number_of_cf_viirs_swir_ofovc_filter_occurrences = 0 ;
    		:number_of_cf_viirs_nir_ifov_filter_occurrences = 0 ;
    		:number_of_cf_viirs_nir_ofova_filter_occurrences = 0 ;
    		:number_of_cf_viirs_nir_ofovb_filter_occurrences = 0 ;
    		:number_of_cf_viirs_nir_ofovc_filter_occurrences = 0 ;
    		:number_of_refl_cirrus_viirs_swir_filter_occurrences = 0 ;
    		:number_of_refl_cirrus_viirs_nir_filter_occurrences = 0 ;
    		:number_of_diff_refl_cirrus_viirs_filter_occurrences = 0 ;
    		:number_of_ch4_noscat_ratio_filter_occurrences = 0 ;
    		:number_of_ch4_noscat_ratio_std_filter_occurrences = 0 ;
    		:number_of_h2o_noscat_ratio_filter_occurrences = 0 ;
    		:number_of_h2o_noscat_ratio_std_filter_occurrences = 0 ;
    		:number_of_diff_psurf_fresco_ecmwf_filter_occurrences = 0 ;
    		:number_of_psurf_fresco_stdv_filter_occurrences = 0 ;
    		:number_of_ocean_filter_occurrences = 405235 ;
    		:number_of_time_range_filter_occurrences = 0 ;
    		:number_of_pixel_or_scanline_index_filter_occurrences = 0 ;
    		:number_of_geographic_region_filter_occurrences = 0 ;
    		:number_of_input_spectrum_warning_occurrences = 0 ;
    		:number_of_wavelength_calibration_warning_occurrences = 0 ;
    		:number_of_extrapolation_warning_occurrences = 0 ;
    		:number_of_sun_glint_warning_occurrences = 41694 ;
    		:number_of_south_atlantic_anomaly_warning_occurrences = 0 ;
    		:number_of_sun_glint_correction_occurrences = 0 ;
    		:number_of_snow_ice_warning_occurrences = 0 ;
    		:number_of_cloud_warning_occurrences = 21161 ;
    		:number_of_aai_warning_occurrences = 0 ;
    		:number_of_pixel_level_input_data_missing_occurrences = 98522 ;
    		:number_of_data_range_warning_occurrences = 31612 ;
    		:number_of_low_cloud_fraction_warning_occurrences = 0 ;
    		:number_of_altitude_consistency_warning_occurrences = 1683 ;
    		:number_of_signal_to_noise_ratio_warning_occurrences = 0 ;
    		:number_of_deconvolution_warning_occurrences = 0 ;
    		:number_of_so2_volcanic_origin_likely_warning_occurrences = 0 ;
    		:number_of_so2_volcanic_origin_certain_warning_occurrences = 0 ;
    		:number_of_interpolation_warning_occurrences = 0 ;
    		:number_of_saturation_warning_occurrences = 0 ;
    		:number_of_high_sza_warning_occurrences = 0 ;
    		:number_of_cloud_retrieval_warning_occurrences = 0 ;
    		:number_of_cloud_inhomogeneity_warning_occurrences = 0 ;
    		:global_processing_warnings = "--- TEST FLAG SET IN JOB ORDER ---\n" ;
    		:time_for_algorithm_initialization = 64.430795 ;
    		:time_for_processing = 40638.690842 ;
    		:time_per_pixel = 6.30671276396843 ;
    		:time_standard_deviation_per_pixel = 0.00542214420047516 ;
    } // group QA_STATISTICS

  group: ALGORITHM_SETTINGS {

    // group attributes:
    		:configuration.version.algorithm = "1.2.0" ;
    		:configuration.version.framework = "1.2.0" ;
    		:coregistration.fraction.minimum = "0.0" ;
    		:input.1.band = "7" ;
    		:input.1.irrType = "L1B_IR_SIR" ;
    		:input.1.type = "L1B_RA_BD7" ;
    		:input.2.band = "8" ;
    		:input.2.irrType = "L1B_IR_SIR" ;
    		:input.2.type = "L1B_RA_BD8" ;
    		:input.3.band = "6" ;
    		:input.3.irrType = "L1B_IR_UVN" ;
    		:input.3.type = "L1B_RA_BD6" ;
    		:input.4.band = "7" ;
    		:input.4.type = "L2__CO____" ;
    		:input.5.band = "6" ;
    		:input.5.type = "L2__FRESCO" ;
    		:input.6.band = "6" ;
    		:input.6.required = "false" ;
    		:input.6.type = "L2__NP_BD6" ;
    		:input.7.band = "7" ;
    		:input.7.required = "false" ;
    		:input.7.type = "L2__NP_BD7" ;
    		:input.coadd.count = "1" ;
    		:input.count = "7" ;
    		:output.1.band = "7" ;
    		:output.1.config = "cfg/product/product.CH4___.xml" ;
    		:output.1.type = "L2__CH4___" ;
    		:output.compressionLevel = "3" ;
    		:output.count = "1" ;
    		:output.histogram.methane_mixing_ratio.range = "1200, 2000" ;
    		:output.useCompression = "true" ;
    		:output.useFletcher32 = "true" ;
    		:output.useShuffleFilter = "true" ;
    		:processing.algorithm = "CH4___" ;
    		:processing.cirrusReflectanceIndex = "0" ;
    		:processing.correct_surface_pressure_for_altitude = "false" ;
    		:processing.groupDem = "DEM_RADIUS_05000" ;
    		:processing.radianceFractionMinError = "0" ;
    		:processing.radiancePixelsMinError = "0" ;
    		:processing.sgaLimit = "30.0" ;
    		:processing.szaMax = "180.0" ;
    		:processing.szaMin = "0.0" ;
    		:processing.threadStackSize = "50000000" ;
    		:processing.vzaMax = "180.0" ;
    		:processing.vzaMin = "0.0" ;
    		:qa_value.AAI_warning = "100.0" ;
    		:qa_value.altitude_consistency_warning = "100.0" ;
    		:qa_value.cloud_warning = "100.0" ;
    		:qa_value.data_range_warning = "40.0" ;
    		:qa_value.deconvolution_warning = "80.0" ;
    		:qa_value.extrapolation_warning = "100.0" ;
    		:qa_value.input_spectrum_warning = "100.0" ;
    		:qa_value.interpolation_warning = "100.0" ;
    		:qa_value.low_cloud_fraction_warning = "100.0" ;
    		:qa_value.pixel_level_input_data_missing = "40.0" ;
    		:qa_value.signal_to_noise_ratio_warning = "100.0" ;
    		:qa_value.snow_ice_warning = "100.0" ;
    		:qa_value.so2_volcanic_origin_certain_warning = "100.0" ;
    		:qa_value.so2_volcanic_origin_likely_warning = "100.0" ;
    		:qa_value.south_atlantic_anomaly_warning = "100.0" ;
    		:qa_value.sun_glint_correction = "100.0" ;
    		:qa_value.sun_glint_warning = "100.0" ;
    		:qa_value.wavelength_calibration_warning = "100.0" ;
    } // group ALGORITHM_SETTINGS

  group: GRANULE_DESCRIPTION {

    // group attributes:
    		:GranuleStart = "2018-05-01T08:49:58Z" ;
    		:GranuleEnd = "2018-05-01T09:48:22Z" ;
    		:InstrumentName = "TROPOMI" ;
    		:MissionName = "Sentinel-5 precursor" ;
    		:MissionShortName = "S5P" ;
    		:ProcessLevel = "2" ;
    		:ProcessingCenter = "PDGS-OP" ;
    		:ProcessingNode = "s5p-off-pn17" ;
    		:ProcessorVersion = "1.3.1" ;
    		:ProductFormatVersion = 10200 ;
    		:ProcessingMode = "Offline" ;
    		:LongitudeOfDaysideNadirEquatorCrossing = 64.05225f ;
    		:ProductShortName = "L2__CH4___" ;
    } // group GRANULE_DESCRIPTION

  group: ISO_METADATA {

    // group attributes:
    		:gmd\:dateStamp = "2015-10-16" ;
    		:gmd\:fileIdentifier = "urn:ogc:def:EOP:ESA:SENTINEL.S5P_TROP_L2__CH4___" ;
    		:gmd\:hierarchyLevelName = "EO Product Collection" ;
    		:gmd\:metadataStandardName = "ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data" ;
    		:gmd\:metadataStandardVersion = "ISO 19115-2:2009(E), S5P profile" ;
    		:objectType = "gmi:MI_Metadata" ;

    group: gmd\:language {

      // group attributes:
      		:codeList = "http://www.loc.gov/standards/iso639-2/" ;
      		:codeListValue = "eng" ;
      		:objectType = "gmd:LanguageCode" ;
      } // group gmd\:language

    group: gmd\:characterSet {

      // group attributes:
      		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_CharacterSetCode" ;
      		:codeListValue = "utf8" ;
      		:objectType = "gmd:MD_CharacterSetCode" ;
      } // group gmd\:characterSet

    group: gmd\:hierarchyLevel {

      // group attributes:
      		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" ;
      		:codeListValue = "series" ;
      		:objectType = "gmd:MD_ScopeCode" ;
      } // group gmd\:hierarchyLevel

    group: gmd\:contact {

      // group attributes:
      		:gmd\:organisationName = "Copernicus Space Component Data Access System,  ESA, Services Coordinated Interface" ;
      		:objectType = "gmd:CI_ResponsibleParty" ;

      group: gmd\:contactInfo {

        // group attributes:
        		:objectType = "gmd:CI_Contact" ;

        group: gmd\:address {

          // group attributes:
          		:gmd\:electronicMailAddress = "EOSupport@copernicus.esa.int" ;
          		:objectType = "gmd:CI_Address" ;
          } // group gmd\:address
        } // group gmd\:contactInfo

      group: gmd\:role {

        // group attributes:
        		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" ;
        		:codeListValue = "pointOfContact" ;
        		:objectType = "gmd:CI_RoleCode" ;
        } // group gmd\:role
      } // group gmd\:contact

    group: gmd\:identificationInfo {

      // group attributes:
      		:gmd\:abstract = "Dry-air mixing ratio of methane for cloud-free observations with a spatial resolution of 7x7km2 observed at about 13:30 local solar time from spectra measured by TROPOMI" ;
      		:gmd\:credit = "The Sentinel 5 Precursor TROPOMI Level 2 products are developed with funding from the European Space Agency (ESA), the Netherlands Space Office (NSO), the Belgian Science Policy Office, the German Aerospace Center (DLR) and the Bayerisches Staatsministerium für Wirtschaft und Medien, Energie und Technologie (StMWi)." ;
      		:gmd\:language = "eng" ;
      		:gmd\:topicCategory = "climatologyMeteorologyAtmosphere" ;
      		:objectType = "gmd:MD_DataIdentification" ;

      group: gmd\:citation {

        // group attributes:
        		:gmd\:title = "TROPOMI/S5P Methane 1-Orbit L2 Swath 7x7km" ;
        		:objectType = "gmd:CI_Citation" ;

        group: gmd\:date {

          // group attributes:
          		:gmd\:date = "2019-05-13" ;
          		:objectType = "gmd:CI_Date" ;

          group: gmd\:dateType {

            // group attributes:
            		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
            		:codeListValue = "creation" ;
            		:objectType = "gmd:CI_DateTypeCode" ;
            } // group gmd\:dateType
          } // group gmd\:date

        group: gmd\:identifier {

          // group attributes:
          		:gmd\:code = "urn:ogc:def:EOP:ESA:SENTINEL.S5P_TROP_L2__CH4___" ;
          		:objectType = "gmd:MD_Identifier" ;
          } // group gmd\:identifier
        } // group gmd\:citation

      group: gmd\:pointOfContact {

        // group attributes:
        		:gmd\:organisationName = "Copernicus Space Component Data Access System,  ESA, Services Coordinated Interface" ;
        		:objectType = "gmd:CI_ResponsibleParty" ;

        group: gmd\:contactInfo {

          // group attributes:
          		:objectType = "gmd:CI_Contact" ;

          group: gmd\:address {

            // group attributes:
            		:gmd\:electronicMailAddress = "EOSupport@copernicus.esa.int" ;
            		:objectType = "gmd:CI_Address" ;
            } // group gmd\:address
          } // group gmd\:contactInfo

        group: gmd\:role {

          // group attributes:
          		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" ;
          		:codeListValue = "distributor" ;
          		:objectType = "gmd:CI_RoleCode" ;
          } // group gmd\:role
        } // group gmd\:pointOfContact

      group: gmd\:descriptiveKeywords\#1 {

        // group attributes:
        		:gmd\:keyword\#1 = "Atmospheric conditions" ;
        		:objectType = "gmd:MD_Keywords" ;

        group: gmd\:type {

          // group attributes:
          		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" ;
          		:codeListValue = "theme" ;
          		:objectType = "gmd:MD_KeywordTypeCode" ;
          } // group gmd\:type

        group: gmd\:thesaurusName {

          // group attributes:
          		:gmd\:title = "GEMET - INSPIRE themes, version 1.0" ;
          		:objectType = "gmd:CI_Citation" ;

          group: gmd\:date {

            // group attributes:
            		:gmd\:date = "2008-06-01" ;
            		:objectType = "gmd:CI_Date" ;

            group: gmd\:dateType {

              // group attributes:
              		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
              		:codeListValue = "publication" ;
              		:objectType = "gmd:CI_DateTypeCode" ;
              } // group gmd\:dateType
            } // group gmd\:date
          } // group gmd\:thesaurusName
        } // group gmd\:descriptiveKeywords\#1

      group: gmd\:descriptiveKeywords\#2 {

        // group attributes:
        		:gmd\:keyword\#1 = "atmosphere_mole_fraction_of_methane_in_dry_air" ;
        		:objectType = "gmd:MD_Keywords" ;

        group: gmd\:thesaurusName {

          // group attributes:
          		:gmd\:title = "CF Standard Name Table v29" ;
          		:xlink\:href = "http://cfconventions.org/standard-names.html" ;
          		:objectType = "gmd:CI_Citation" ;

          group: gmd\:date {

            // group attributes:
            		:gmd\:date = "2015-07-08" ;
            		:objectType = "gmd:CI_Date" ;

            group: gmd\:dateType {

              // group attributes:
              		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
              		:codeListValue = "publication" ;
              		:objectType = "gmd:CI_DateTypeCode" ;
              } // group gmd\:dateType
            } // group gmd\:date
          } // group gmd\:thesaurusName
        } // group gmd\:descriptiveKeywords\#2

      group: gmd\:resourceConstraints {

        // group attributes:
        		:gmd\:useLimitation = "no conditions apply" ;
        		:objectType = "gmd:MD_LegalConstraints" ;

        group: gmd\:accessConstraints {

          // group attributes:
          		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_RestrictionCode" ;
          		:codeListValue = "copyright" ;
          		:objectType = "gmd:MD_RestrictionCode" ;
          } // group gmd\:accessConstraints
        } // group gmd\:resourceConstraints

      group: gmd\:spatialRepresentationType {

        // group attributes:
        		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_SpatialRepresentationTypeCode" ;
        		:codeListValue = "grid" ;
        		:objectType = "gmd:MD_SpatialRepresentationTypeCode" ;
        } // group gmd\:spatialRepresentationType

      group: gmd\:spatialResolution {

        // group attributes:
        		:gmd\:distance = 10.f ;
        		:uom = "km" ;
        		:objectType = "gmd:MD_Resolution" ;
        } // group gmd\:spatialResolution

      group: gmd\:characterSet {

        // group attributes:
        		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_CharacterSetCode" ;
        		:codeListValue = "utf8" ;
        		:objectType = "gmd:MD_CharacterSetCode" ;
        } // group gmd\:characterSet

      group: gmd\:extent {

        // group attributes:
        		:objectType = "gmd:EX_Extent" ;

        group: gmd\:geographicElement {

          // group attributes:
          		:gmd\:eastBoundLongitude = -179.882f ;
          		:gmd\:northBoundLatitude = 89.92873f ;
          		:gmd\:southBoundLatitude = -85.17928f ;
          		:gmd\:westBoundLongitude = 179.9599f ;
          		:gmd\:extentTypeCode = "true" ;
          		:objectType = "gmd:EX_GeographicBoundingBox" ;
          } // group gmd\:geographicElement

        group: gmd\:temporalElement {

          // group attributes:
          		:objectType = "gmd:EX_TemporalExtent" ;

          group: gmd\:extent {

            // group attributes:
            		:gml\:beginPosition = "2018-05-01T08:49:58Z" ;
            		:gml\:endPosition = "2018-05-01T09:48:22Z" ;
            		:objectType = "gml:TimePeriod" ;
            } // group gmd\:extent
          } // group gmd\:temporalElement
        } // group gmd\:extent
      } // group gmd\:identificationInfo

    group: gmd\:dataQualityInfo {

      // group attributes:
      		:objectType = "gmd:DQ_DataQuality" ;

      group: gmd\:scope {

        // group attributes:
        		:objectType = "gmd:DQ_Scope" ;

        group: gmd\:level {

          // group attributes:
          		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" ;
          		:codeListValue = "dataset" ;
          		:objectType = "gmd:MD_ScopeCode" ;
          } // group gmd\:level
        } // group gmd\:scope

      group: gmd\:report {

        // group attributes:
        		:objectType = "gmd:DQ_DomainConsistency" ;

        group: gmd\:result {

          // group attributes:
          		:objectType = "gmd:DQ_ConformanceResult" ;
          		:gmd\:pass = "true" ;
          		:gmd\:explanation = "INSPIRE Data specification for orthoimagery is not yet officially published so conformity has not yet been evaluated" ;

          group: gmd\:specification {

            // group attributes:
            		:objectType = "gmd:CI_Citation" ;
            		:gmd\:title = "INSPIRE Data Specification on Orthoimagery - Guidelines, version 3.0rc3" ;

            group: gmd\:date {

              // group attributes:
              		:gmd\:date = "2013-02-04" ;
              		:objectType = "gmd:CI_Date" ;

              group: gmd\:dateType {

                // group attributes:
                		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                		:codeListValue = "publication" ;
                		:objectType = "gmd:CI_DateTypeCode" ;
                } // group gmd\:dateType
              } // group gmd\:date
            } // group gmd\:specification
          } // group gmd\:result
        } // group gmd\:report

      group: gmd\:lineage {

        // group attributes:
        		:objectType = "gmd:LI_Lineage" ;
        		:gmd\:statement = "L2 CH4___ dataset produced by PDGS-OP from the S5P/TROPOMI L1B product" ;

        group: gmd\:processStep {

          // group attributes:
          		:objectType = "gmi:LE_ProcessStep" ;
          		:gmd\:description = "Processing of L1b to L2 CH4___ data for orbit 2837 using the KNMI/SRON processor version 1.3.1" ;

          group: gmi\:output {

            // group attributes:
            		:gmd\:description = "TROPOMI/S5P Methane 1-Orbit L2 Swath 7x7km" ;
            		:objectType = "gmi:LE_Source" ;

            group: gmd\:sourceCitation {

              // group attributes:
              		:gmd\:title = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209" ;
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-13" ;
                		:objectType = "gmd:CI_DateTime" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:identifier {

                // group attributes:
                		:gmd\:code = "L2__CH4___" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmd\:identifier
              } // group gmd\:sourceCitation

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L2" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel
            } // group gmi\:output

          group: gmi\:processingInformation {

            // group attributes:
            		:objectType = "gmi:LE_Processing" ;

            group: gmi\:identifier {

              // group attributes:
              		:gmd\:code = "KNMI/SRON L2 CH4___ processor, version 1.3.1" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:identifier

            group: gmi\:softwareReference {

              // group attributes:
              		:gmd\:title = "L2 CH4___ processor description" ;
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-04-05" ;
                		:objectType = "gmd:CI_DateTime" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date
              } // group gmi\:softwareReference

            group: gmi\:documentation\#1 {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;
              		:gmd\:title = "Algorithm Theoretical Baseline Document for Sentinel-5 Precursor Methane Retrieval; SRON-S5P-LEV2-RP-001; release 1.0" ;
              		:doi = "N/A" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2015-11-30" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "publication" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date
              } // group gmi\:documentation\#1

            group: gmi\:documentation\#2 {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;
              		:gmd\:title = "Sentinel-5 precursor/TROPOMI Level 2 Product User Manual Methane; SRON-S5P-LEV2-MA-001; release 1.0" ;
              		:doi = "N/A" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2015-11-30" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "publication" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date
              } // group gmi\:documentation\#2
            } // group gmi\:processingInformation

          group: gmi\:report {

            // group attributes:
            		:gmi\:description = "Sentinel 5-precursor TROPOMI L1b processed to L2 data using the KNMI/SRON L2 CH4___ processor" ;
            		:gmi\:fileType = "netCDF-4" ;
            		:gmi\:name = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209.nc" ;
            		:objectType = "gmi:LE_ProcessStepReport" ;
            } // group gmi\:report

          group: gmd\:source\#1 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary CTM AUX_CTMCH4 model input data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary CTM AUX_CTMCH4 model input data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_AUX_CTMCH4_20180430T000000_20180501T000000_20170925T120000.nc" ;
                } // group gmd\:alternateTitle\#1

              group: gmd\:alternateTitle\#2 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_AUX_CTMCH4_20180501T000000_20180502T000000_20170925T120000.nc" ;
                } // group gmd\:alternateTitle\#2
              } // group gmd\:sourceCitation
            } // group gmd\:source\#1

          group: gmd\:source\#2 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary CTM AUX_CTM_CO model input data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary CTM AUX_CTM_CO model input data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_AUX_CTM_CO_20171001T000000_20181001T000000_20170925T120000.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#2

          group: gmd\:source\#3 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary AUX_ISRF__ reference data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary AUX_ISRF__ reference data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_AUX_ISRF___00000000T000000_99999999T999999_20180115T153214.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#3

          group: gmd\:source\#4 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary ECMWF AUX_MET_2D Meteorological forecast data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L4" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary ECMWF AUX_MET_2D Meteorological forecast data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_AUX_MET_2D_20180501T030000_20180501T120000_20180501T000000.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#4

          group: gmd\:source\#5 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary ECMWF AUX_MET_QP Meteorological forecast data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L4" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary ECMWF AUX_MET_QP Meteorological forecast data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_AUX_MET_QP_20180501T030000_20180501T120000_20180501T000000.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#5

          group: gmd\:source\#6 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary ECMWF AUX_MET_TP Meteorological forecast data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L4" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary ECMWF AUX_MET_TP Meteorological forecast data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_AUX_MET_TP_20180501T030000_20180501T120000_20180501T000000.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#6

          group: gmd\:source\#7 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Processor CFG_CH4__F configuration file" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Processor CFG_CH4__F configuration file" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_CFG_CH4__F_00000000T000000_99999999T999999_20181009T111500.cfg" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#7

          group: gmd\:source\#8 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Processor CFG_CH4___ configuration file" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Processor CFG_CH4___ configuration file" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_CFG_CH4____00000000T000000_99999999T999999_20190409T000000.cfg" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#8

          group: gmd\:source\#9 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L1B L1B_IR_SIR irradiance product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L1B" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L1B L1B_IR_SIR irradiance product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_L1B_IR_SIR_20180501T014222_20180501T032352_02833_01_010000_20180503T164434.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#9

          group: gmd\:source\#10 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L1B L1B_IR_UVN irradiance product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L1B" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L1B L1B_IR_UVN irradiance product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_L1B_IR_UVN_20180501T014222_20180501T032352_02833_01_010000_20180503T164434.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#10

          group: gmd\:source\#11 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L1B L1B_RA_BD6 radiance product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L1B" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L1B L1B_RA_BD6 radiance product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_L1B_RA_BD6_20180501T082823_20180501T100953_02837_01_010000_20180502T080737.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#11

          group: gmd\:source\#12 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L1B L1B_RA_BD7 radiance product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L1B" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L1B L1B_RA_BD7 radiance product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_L1B_RA_BD7_20180501T082823_20180501T100953_02837_01_010000_20180502T080737.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#12

          group: gmd\:source\#13 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L1B L1B_RA_BD8 radiance product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "L1B" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L1B L1B_RA_BD8 radiance product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OFFL_L1B_RA_BD8_20180501T082823_20180501T100953_02837_01_010000_20180502T080737.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#13

          group: gmd\:source\#14 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L2 L2__CO____ product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L2 L2__CO____ product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_RPRO_L2__CO_____20180501T082724_20180501T101003_02837_01_010301_20190513T141810.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#14

          group: gmd\:source\#15 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L2 L2__FRESCO product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L2 L2__FRESCO product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_RPRO_L2__FRESCO_20180501T082724_20180501T101003_02837_01_010301_20190513T141814.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#15

          group: gmd\:source\#16 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L2 L2__NP_BD6 product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L2 L2__NP_BD6 product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_RPRO_L2__NP_BD6_20180501T082724_20180501T101003_02837_01_010002_20190513T141425.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#16

          group: gmd\:source\#17 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "TROPOMI L2 L2__NP_BD7 product" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "TROPOMI L2 L2__NP_BD7 product" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_RPRO_L2__NP_BD7_20180501T082724_20180501T101003_02837_01_010002_20190513T141429.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#17

          group: gmd\:source\#18 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary LUT_CH4AER algorithm lookup table" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary LUT_CH4AER algorithm lookup table" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_LUT_CH4AER_00000000T000000_99999999T999999_20151008T180555.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#18

          group: gmd\:source\#19 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary LUT_CH4CIR algorithm lookup table" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary LUT_CH4CIR algorithm lookup table" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_LUT_CH4CIR_00000000T000000_99999999T999999_20151016T113037.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#19

          group: gmd\:source\#20 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary REF_DEM___ reference data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary REF_DEM___ reference data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_REF_DEM____20180301T000000_99999999T999999_20190228T090000.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#20

          group: gmd\:source\#21 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary REF_SOLAR_ reference data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary REF_SOLAR_ reference data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_REF_SOLAR__00000000T000000_99999999T999999_20180115T164926.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#21

          group: gmd\:source\#22 {

            // group attributes:
            		:objectType = "gmi:LE_Source" ;
            		:gmd\:description = "Auxiliary REF_XS_CH4 reference data" ;

            group: gmi\:processedLevel {

              // group attributes:
              		:gmd\:code = "N/A" ;
              		:objectType = "gmd:MD_Identifier" ;
              } // group gmi\:processedLevel

            group: gmd\:sourceCitation {

              // group attributes:
              		:objectType = "gmd:CI_Citation" ;

              group: gmd\:date {

                // group attributes:
                		:gmd\:date = "2019-05-14T03:40:49Z" ;
                		:objectType = "gmd:CI_Date" ;

                group: gmd\:dateType {

                  // group attributes:
                  		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                  		:codeListValue = "creation" ;
                  		:objectType = "gmd:CI_DateTypeCode" ;
                  } // group gmd\:dateType
                } // group gmd\:date

              group: gmd\:title {

                // group attributes:
                		:gco\:characterString = "Auxiliary REF_XS_CH4 reference data" ;
                } // group gmd\:title

              group: gmd\:alternateTitle\#1 {

                // group attributes:
                		:gmx\:FileName = "S5P_OPER_REF_XS_CH4_00000000T000000_99999999T999999_20161102T125329.nc" ;
                } // group gmd\:alternateTitle\#1
              } // group gmd\:sourceCitation
            } // group gmd\:source\#22
          } // group gmd\:processStep
        } // group gmd\:lineage
      } // group gmd\:dataQualityInfo

    group: gmi\:acquisitionInformation {

      // group attributes:
      		:objectType = "gmi:MI_AcquisitionInformation" ;

      group: gmi\:platform {

        // group attributes:
        		:gmi\:description = "Sentinel 5 Precursor" ;
        		:objectType = "gmi:MI_Platform" ;

        group: gmi\:identifier {

          // group attributes:
          		:gmd\:code = "S5P" ;
          		:gmd\:codeSpace = "http://www.esa.int/" ;
          		:objectType = "gmd:RS_Identifier" ;
          } // group gmi\:identifier

        group: gmi\:instrument {

          // group attributes:
          		:objectType = "gmi:MI_Instrument" ;
          		:gmi\:type = "UV-VIS-NIR-SWIR imaging spectrometer" ;

          group: gmi\:identifier {

            // group attributes:
            		:gmd\:code = "TROPOMI" ;
            		:gmd\:codeSpace = "http://www.esa.int/" ;
            		:objectType = "gmd:RS_Identifier" ;
            } // group gmi\:identifier
          } // group gmi\:instrument
        } // group gmi\:platform
      } // group gmi\:acquisitionInformation
    } // group ISO_METADATA

  group: EOP_METADATA {

    // group attributes:
    		:gml\:id = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209.ID" ;
    		:objectType = "atm:EarthObservation" ;

    group: om\:phenomenonTime {

      // group attributes:
      		:gml\:beginPosition = "2018-05-01T08:49:58Z" ;
      		:gml\:endPosition = "2018-05-01T09:48:22Z" ;
      		:objectType = "gml:TimePeriod" ;
      } // group om\:phenomenonTime

    group: om\:procedure {

      // group attributes:
      		:gml\:id = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209.EOE" ;
      		:objectType = "eop:EarthObservationEquipment" ;

      group: eop\:platform {

        // group attributes:
        		:eop\:shortName = "Sentinel-5p" ;
        		:objectType = "eop:Platform" ;
        } // group eop\:platform

      group: eop\:instrument {

        // group attributes:
        		:eop\:shortName = "TROPOMI" ;
        		:objectType = "eop:Instrument" ;
        } // group eop\:instrument

      group: eop\:sensor {

        // group attributes:
        		:eop\:sensorType = "ATMOSPHERIC" ;
        		:objectType = "eop:Sensor" ;
        } // group eop\:sensor

      group: eop\:acquisitionParameters {

        // group attributes:
        		:eop\:orbitNumber = 2837 ;
        		:objectType = "eop:Acquisition" ;
        } // group eop\:acquisitionParameters
      } // group om\:procedure

    group: om\:observedProperty {

      // group attributes:
      		:nilReason = "inapplicable" ;
      } // group om\:observedProperty

    group: om\:featureOfInterest {

      // group attributes:
      		:objectType = "eop:FootPrint" ;
      		:gml\:id = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209.FP" ;

      group: eop\:multiExtentOf {

        // group attributes:
        		:objectType = "gml:MultiSurface" ;

        group: gml\:surfaceMembers {

          // group attributes:
          		:objectType = "gml:Polygon" ;

          group: gml\:exterior {

            // group attributes:
            		:gml\:posList = "51.846657 -91.5349 53.435562 -89.69968 54.990646 -87.71458 56.506954 -85.561966 57.97932 -83.22442 59.40139 -80.681496 60.765617 -77.91171 62.06373 -74.89407 63.286163 -71.60748 64.42197 -68.03306 65.45931 -64.157036 66.385124 -59.972355 67.185905 -55.48362 67.84795 -50.70878 68.35898 -45.68434 68.7078 -40.463463 68.886505 -35.116024 68.89064 -29.723738 68.72038 -24.372393 68.37973 -19.143892 67.87639 -14.108713 67.221436 -9.321518 66.427155 -4.818665 65.50737 -0.61949 64.47545 3.2711916 63.34456 6.8597674 62.12638 10.15963 60.83211 13.18972 59.471375 15.970982 58.05256 18.524805 56.583042 20.872128 55.069134 23.033195 53.51649 25.026823 51.92957 26.86924 50.3127 28.576355 48.66921 30.16159 47.002327 31.637533 45.314423 33.014538 43.607956 34.30255 41.88478 35.510174 40.14671 36.644672 38.395218 37.71326 36.63168 38.721523 34.857124 39.674793 33.0727 40.577908 31.279371 41.435078 29.477901 42.250072 27.669077 43.026447 25.853548 43.766777 24.031935 44.47406 22.204689 45.150723 20.372452 45.798916 18.535587 46.4205 16.694534 47.017452 14.849774 47.591404 13.001373 48.143288 11.150075 48.675205 9.295856 49.187634 7.4392633 49.68225 5.5803347 50.159565 3.7195575 50.620792 1.8569891 51.066357 -0.0071110227 51.49719 -1.8723935 51.914036 -3.7387888 52.317127 -5.6061287 52.707344 -7.474028 53.084957 -9.342572 53.45017 -11.211365 53.80351 -13.080352 54.145336 -14.949347 54.47556 -16.818243 54.794613 -18.686853 55.102577 -20.555056 55.39932 -22.422733 55.684933 -24.289768 55.959335 -26.155968 56.22268 -28.021343 56.47427 -29.88569 56.714214 -31.748917 56.94198 -33.611015 57.156937 -35.471737 57.358845 -37.331062 57.546837 -39.188976 57.720146 -41.045284 57.877693 -42.8999 58.018322 -44.752815 58.140324 -46.60394 58.24262 -48.45295 58.322617 -50.30003 58.37775 -52.14491 58.405605 -53.98748 58.402 -55.82757 58.362988 -57.665047 58.282524 -59.499676 58.15372 -61.331116 57.969017 -63.159058 57.716526 -64.98299 57.382183 -66.8023 56.9484 -68.61619 56.390312 -70.42342 55.67292 -72.22246 54.750904 -74.010826 53.55652 -75.78497 51.990414 -77.53923 49.8989 -79.26436 47.036613 -80.94422 42.98918 -82.54856 37.02641 -84.01713 27.834026 -84.24119 25.84702 -84.42749 28.93032 -85.17095 55.86223 -84.80016 81.77453 -84.21337 93.681046 -83.37792 103.85188 -82.77429 109.08178 -82.01646 114.27111 -81.47944 117.32536 -80.79399 120.69305 -80.294426 122.858154 -79.635345 125.42298 -79.13773 127.179504 -78.45642 129.37967 -77.92164 130.96745 -77.158035 133.05756 -76.53056 134.64119 -75.58593 136.82924 -74.760544 138.57028 -73.41751 141.10344 -72.12184 143.23743 -69.67372 146.58264 -68.52826 147.89389 -68.52826 147.89389 -68.047966 142.82886 -67.41528 138.00479 -66.64228 133.46097 -65.742645 129.21848 -64.729675 125.28369 -63.616203 121.65256 -62.41464 118.311264 -61.135723 115.241905 -59.789295 112.42416 -58.38382 109.8367 -56.926945 107.45789 -55.424923 105.26768 -53.883293 103.2479 -52.307083 101.38068 -50.700245 99.65091 -49.066357 98.04448 -47.40855 96.54919 -45.729393 95.153854 -44.031292 93.84859 -42.31611 92.62523 -40.585766 91.4754 -38.841686 90.39255 -37.08527 89.37053 -35.317646 88.40425 -33.539864 87.488525 -31.752975 86.61914 -29.957695 85.792435 -28.154865 85.0048 -26.345116 84.2532 -24.529018 83.5351 -22.70724 82.84771 -20.880205 82.18893 -19.048399 81.556755 -17.21218 80.94942 -15.372034 80.36506 -13.528239 79.80253 -11.681257 79.26018 -9.831207 78.73712 -7.978544 78.23191 -6.123577 77.74364 -4.2662926 77.27154 -2.4071984 76.81463 -0.54641086 76.37225 1.3158382 75.94375 3.1793203 75.52836 5.0438824 75.125755 6.909448 74.7354 8.775621 74.35685 10.642393 73.98973 12.50958 73.63363 14.376975 73.2883 16.244646 72.95374 18.112198 72.62941 19.979704 72.31557 21.846968 72.01173 23.713806 71.71845 25.580248 71.43523 27.446127 71.162415 29.311392 70.900185 31.175938 70.64866 33.039623 70.40831 34.902473 70.1794 36.764385 69.9624 38.62526 69.75814 40.485065 69.56722 42.343693 69.39081 44.201115 69.22972 46.05726 69.08555 47.912144 68.95936 49.76558 68.85366 51.617493 68.77092 53.46788 68.71343 55.31667 68.6852 57.16363 68.69026 59.00871 68.73415 60.851753 68.823586 62.692474 68.9671 64.53052 69.176414 66.365654 69.4655 68.19729 69.85392 70.02461 70.368774 71.84669 71.04639 73.661934 71.941246 75.46797 73.13187 77.26118 74.74174 79.035576 76.96972 80.78046 80.15968 82.475494 84.94393 84.07812 92.564804 85.48861 105.546265 86.46894 127.89846 86.6214 158.5407 85.85334 -175.78719 84.54007 -160.35788 82.98109 -151.43332 81.30726 -145.95047 79.57358 -142.35628 77.80525 -139.87772 76.01519 -138.10446 74.21054 -136.80148 72.3955 -135.82587 70.57284 -135.08876 68.74422 -134.52853 66.91083 -134.10606 65.073555 -133.78964 63.23292 -133.55887 61.389458 -133.39803 59.54348 -133.29413 59.23569 -133.28185 59.183277 -132.6661 58.726357 -128.28801 58.196697 -124.35226 57.85887 -122.15598 57.471336 -119.80597 57.217186 -118.32639 56.91424 -116.60049 56.707035 -115.43445 56.449223 -113.99314 56.265087 -112.967926 56.026012 -111.640594 55.847916 -110.65403 55.606815 -109.321075 55.4194 -108.28697 55.15386 -106.826225 54.93671 -105.63841 54.60956 -103.87052 54.321026 -102.346146 53.839638 -99.90911 53.353615 -97.612595 52.355595 -93.426186 51.846657 -91.5349 51.846657 -91.5349" ;
            		:objectType = "gml:LinearRing" ;
            } // group gml\:exterior
          } // group gml\:surfaceMembers
        } // group eop\:multiExtentOf
      } // group om\:featureOfInterest

    group: eop\:metaDataProperty {

      // group attributes:
      		:objectType = "eop:EarthObservationMetaData" ;
      		:eop\:acquisitionType = "NOMINAL" ;
      		:eop\:identifier = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209" ;
      		:eop\:doi = "10.5270/S5P-3p6lnwd" ;
      		:eop\:parentIdentifier = "urn:ogc:def:EOP:ESA:SENTINEL.S5P_TROP_L2__CH4___" ;
      		:eop\:productType = "S5P_OFFL_CH4___" ;
      		:eop\:status = "ACQUIRED" ;
      		:eop\:productQualityStatus = "NOMINAL" ;
      		:eop\:productQualityDegradationTag = "NOT APPLICABLE" ;

      group: eop\:processing {

        // group attributes:
        		:objectType = "eop:ProcessingInformation" ;
        		:eop\:processingCenter = "PDGS-OP" ;
        		:eop\:processingDate = "2019-05-13" ;
        		:eop\:processingLevel = "L2" ;
        		:eop\:processorName = "TROPNLL2DP" ;
        		:eop\:processorVersion = "1.3.1" ;
        		:eop\:nativeProductFormat = "netCDF-4" ;
        		:eop\:processingMode = "OFFL" ;
        } // group eop\:processing
      } // group eop\:metaDataProperty
    } // group EOP_METADATA

  group: ESA_METADATA {

    group: earth_explorer_header {

      // group attributes:
      		:objectType = "Earth_Explorer_Header" ;

      group: fixed_header {

        // group attributes:
        		:objectType = "Fixed_Header" ;
        		:File_Name = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209" ;
        		:File_Description = "Dry-air mixing ratio of methane for cloud-free observations with a spatial resolution of 7x7km2 observed at about 13:30 local solar time from spectra measured by TROPOMI" ;
        		:Notes = "" ;
        		:Mission = "S5P" ;
        		:File_Class = "OFFL" ;
        		:File_Type = "L2__CH4___" ;
        		:File_Version = 1 ;

        group: validity_period {

          // group attributes:
          		:objectType = "Validity_Period" ;
          		:Validity_Start = "UTC=2018-05-01T08:49:58" ;
          		:Validity_Stop = "UTC=2018-05-01T09:48:22" ;
          } // group validity_period

        group: source {

          // group attributes:
          		:objectType = "Source" ;
          		:System = "PDGS-OP" ;
          		:Creator = "TROPNLL2DP" ;
          		:Creator_Version = "1.3.1" ;
          		:Creation_Date = "UTC=2019-05-13T16:22:14" ;
          } // group source
        } // group fixed_header

      group: variable_header {

        // group attributes:
        		:objectType = "Variable_Header" ;

        group: gmd\:lineage {

          // group attributes:
          		:objectType = "gmd:LI_Lineage" ;
          		:gmd\:statement = "L2 CH4___ dataset produced by PDGS-OP from the S5P/TROPOMI L1B product" ;

          group: gmd\:processStep {

            // group attributes:
            		:objectType = "gmi:LE_ProcessStep" ;
            		:gmd\:description = "Processing of L1b to L2 CH4___ data for orbit 2837 using the KNMI/SRON processor version 1.3.1" ;

            group: gmi\:output {

              // group attributes:
              		:gmd\:description = "TROPOMI/S5P Methane 1-Orbit L2 Swath 7x7km" ;
              		:objectType = "gmi:LE_Source" ;

              group: gmd\:sourceCitation {

                // group attributes:
                		:gmd\:title = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209" ;
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-13" ;
                  		:objectType = "gmd:CI_DateTime" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:identifier {

                  // group attributes:
                  		:gmd\:code = "L2__CH4___" ;
                  		:objectType = "gmd:MD_Identifier" ;
                  } // group gmd\:identifier
                } // group gmd\:sourceCitation

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L2" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel
              } // group gmi\:output

            group: gmi\:processingInformation {

              // group attributes:
              		:objectType = "gmi:LE_Processing" ;

              group: gmi\:identifier {

                // group attributes:
                		:gmd\:code = "KNMI/SRON L2 CH4___ processor, version 1.3.1" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:identifier

              group: gmi\:softwareReference {

                // group attributes:
                		:gmd\:title = "L2 CH4___ processor description" ;
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "" ;
                  		:objectType = "gmd:CI_DateTime" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date
                } // group gmi\:softwareReference

              group: gmi\:documentation\#1 {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;
                		:gmd\:title = "Algorithm Theoretical Baseline Document for Sentinel-5 Precursor Methane Retrieval; SRON-S5P-LEV2-RP-001; release 1.0" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2015-11-30" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "publication" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date
                } // group gmi\:documentation\#1

              group: gmi\:documentation\#2 {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;
                		:gmd\:title = "Sentinel-5 precursor/TROPOMI Level 2 Product User Manual Methane; SRON-S5P-LEV2-MA-001; release 1.0" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2015-11-30" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "publication" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date
                } // group gmi\:documentation\#2
              } // group gmi\:processingInformation

            group: gmi\:report {

              // group attributes:
              		:gmi\:description = "Sentinel 5-precursor TROPOMI L1b processed to L2 data using the KNMI/SRON L2 CH4___ processor" ;
              		:gmi\:fileType = "netCDF-4" ;
              		:gmi\:name = "S5P_RPRO_L2__CH4____20180501T082724_20180501T101003_02837_01_010301_20190513T162209.nc" ;
              		:objectType = "gmi:LE_ProcessStepReport" ;
              } // group gmi\:report

            group: gmd\:source\#1 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary CTM AUX_CTMCH4 model input data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary CTM AUX_CTMCH4 model input data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_AUX_CTMCH4_20180430T000000_20180501T000000_20170925T120000.nc" ;
                  } // group gmd\:alternateTitle\#1

                group: gmd\:alternateTitle\#2 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_AUX_CTMCH4_20180501T000000_20180502T000000_20170925T120000.nc" ;
                  } // group gmd\:alternateTitle\#2
                } // group gmd\:sourceCitation
              } // group gmd\:source\#1

            group: gmd\:source\#2 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary CTM AUX_CTM_CO model input data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary CTM AUX_CTM_CO model input data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_AUX_CTM_CO_20171001T000000_20181001T000000_20170925T120000.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#2

            group: gmd\:source\#3 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary AUX_ISRF__ reference data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary AUX_ISRF__ reference data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_AUX_ISRF___00000000T000000_99999999T999999_20180115T153214.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#3

            group: gmd\:source\#4 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary ECMWF AUX_MET_2D Meteorological forecast data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L4" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary ECMWF AUX_MET_2D Meteorological forecast data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_AUX_MET_2D_20180501T030000_20180501T120000_20180501T000000.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#4

            group: gmd\:source\#5 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary ECMWF AUX_MET_QP Meteorological forecast data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L4" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary ECMWF AUX_MET_QP Meteorological forecast data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_AUX_MET_QP_20180501T030000_20180501T120000_20180501T000000.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#5

            group: gmd\:source\#6 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary ECMWF AUX_MET_TP Meteorological forecast data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L4" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary ECMWF AUX_MET_TP Meteorological forecast data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_AUX_MET_TP_20180501T030000_20180501T120000_20180501T000000.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#6

            group: gmd\:source\#7 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Processor CFG_CH4__F configuration file" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Processor CFG_CH4__F configuration file" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_CFG_CH4__F_00000000T000000_99999999T999999_20181009T111500.cfg" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#7

            group: gmd\:source\#8 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Processor CFG_CH4___ configuration file" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Processor CFG_CH4___ configuration file" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_CFG_CH4____00000000T000000_99999999T999999_20190409T000000.cfg" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#8

            group: gmd\:source\#9 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L1B L1B_IR_SIR irradiance product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L1B" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L1B L1B_IR_SIR irradiance product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_L1B_IR_SIR_20180501T014222_20180501T032352_02833_01_010000_20180503T164434.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#9

            group: gmd\:source\#10 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L1B L1B_IR_UVN irradiance product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L1B" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L1B L1B_IR_UVN irradiance product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_L1B_IR_UVN_20180501T014222_20180501T032352_02833_01_010000_20180503T164434.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#10

            group: gmd\:source\#11 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L1B L1B_RA_BD6 radiance product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L1B" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L1B L1B_RA_BD6 radiance product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_L1B_RA_BD6_20180501T082823_20180501T100953_02837_01_010000_20180502T080737.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#11

            group: gmd\:source\#12 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L1B L1B_RA_BD7 radiance product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L1B" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L1B L1B_RA_BD7 radiance product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_L1B_RA_BD7_20180501T082823_20180501T100953_02837_01_010000_20180502T080737.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#12

            group: gmd\:source\#13 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L1B L1B_RA_BD8 radiance product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "L1B" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L1B L1B_RA_BD8 radiance product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OFFL_L1B_RA_BD8_20180501T082823_20180501T100953_02837_01_010000_20180502T080737.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#13

            group: gmd\:source\#14 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L2 L2__CO____ product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L2 L2__CO____ product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_RPRO_L2__CO_____20180501T082724_20180501T101003_02837_01_010301_20190513T141810.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#14

            group: gmd\:source\#15 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L2 L2__FRESCO product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L2 L2__FRESCO product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_RPRO_L2__FRESCO_20180501T082724_20180501T101003_02837_01_010301_20190513T141814.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#15

            group: gmd\:source\#16 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L2 L2__NP_BD6 product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L2 L2__NP_BD6 product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_RPRO_L2__NP_BD6_20180501T082724_20180501T101003_02837_01_010002_20190513T141425.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#16

            group: gmd\:source\#17 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "TROPOMI L2 L2__NP_BD7 product" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "TROPOMI L2 L2__NP_BD7 product" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_RPRO_L2__NP_BD7_20180501T082724_20180501T101003_02837_01_010002_20190513T141429.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#17

            group: gmd\:source\#18 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary LUT_CH4AER algorithm lookup table" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary LUT_CH4AER algorithm lookup table" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_LUT_CH4AER_00000000T000000_99999999T999999_20151008T180555.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#18

            group: gmd\:source\#19 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary LUT_CH4CIR algorithm lookup table" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary LUT_CH4CIR algorithm lookup table" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_LUT_CH4CIR_00000000T000000_99999999T999999_20151016T113037.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#19

            group: gmd\:source\#20 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary REF_DEM___ reference data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary REF_DEM___ reference data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_REF_DEM____20180301T000000_99999999T999999_20190228T090000.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#20

            group: gmd\:source\#21 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary REF_SOLAR_ reference data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary REF_SOLAR_ reference data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_REF_SOLAR__00000000T000000_99999999T999999_20180115T164926.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#21

            group: gmd\:source\#22 {

              // group attributes:
              		:objectType = "gmi:LE_Source" ;
              		:gmd\:description = "Auxiliary REF_XS_CH4 reference data" ;

              group: gmi\:processedLevel {

                // group attributes:
                		:gmd\:code = "N/A" ;
                		:objectType = "gmd:MD_Identifier" ;
                } // group gmi\:processedLevel

              group: gmd\:sourceCitation {

                // group attributes:
                		:objectType = "gmd:CI_Citation" ;

                group: gmd\:date {

                  // group attributes:
                  		:gmd\:date = "2019-05-14T03:40:49Z" ;
                  		:objectType = "gmd:CI_Date" ;

                  group: gmd\:dateType {

                    // group attributes:
                    		:codeList = "http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" ;
                    		:codeListValue = "creation" ;
                    		:objectType = "gmd:CI_DateTypeCode" ;
                    } // group gmd\:dateType
                  } // group gmd\:date

                group: gmd\:title {

                  // group attributes:
                  		:gco\:characterString = "Auxiliary REF_XS_CH4 reference data" ;
                  } // group gmd\:title

                group: gmd\:alternateTitle\#1 {

                  // group attributes:
                  		:gmx\:FileName = "S5P_OPER_REF_XS_CH4_00000000T000000_99999999T999999_20161102T125329.nc" ;
                  } // group gmd\:alternateTitle\#1
                } // group gmd\:sourceCitation
              } // group gmd\:source\#22
            } // group gmd\:processStep
          } // group gmd\:lineage

        group: subsystem_information {

          // group attributes:
          		:objectType = "subsystem_information" ;

          group: subsystem\#0 {

            // group attributes:
            		:Authors = "Haili Hu, Otto Hasekamp" ;
            		:Email = "H.Hu@sron.nl, O.P.Hasekamp@sron.nl" ;
            		:Institution = "SRON Netherlands institute for Space Research" ;
            		:Name = "RemoTeC" ;
            		:Reference = "Hasekamp, O. et al., Algorithm Theoretical Baseline Document for Sentinel-5 Precursor methane retrieval, SRON-S5P-LEV2-RP-001, SRON Netherlands Institute for Space Research, 2016" ;
            		:Version = "2.5.0" ;
            		:VersionDate = "2018-03-22" ;
            } // group subsystem\#0

          group: subsystem\#1 {

            // group attributes:
            		:Authors = "J. Landgraf, O.P. Hasekamp" ;
            		:Email = "J.M.J.Aan.de.brugh@sron.nl, J.Landgraf@sron.nl" ;
            		:Institution = "SRON Netherlands Institute for Space Research" ;
            		:Name = "S-Lintran v1" ;
            		:Reference = "Landgraf et al., JGR, 106, D21, 27291-27305, doi:10.1029/2001JD000636, 2001" ;
            		:Version = "1.5" ;
            		:VersionDate = "2010-01-01" ;
            } // group subsystem\#1

          group: subsystem\#2 {

            // group attributes:
            		:Authors = "J.M.J. Aan de Brugh, J. Landgraf" ;
            		:Email = "J.M.J.Aan.de.brugh@sron.nl, J.Landgraf@sron.nl" ;
            		:Institution = "SRON Netherlands Institute for Space Research" ;
            		:Name = "S-Lintran v2" ;
            		:Reference = "Schepers et al., JQSRT, 149, 347-359, doi:10.1016/j.jqsrt.2014.08.019, 2014" ;
            		:Version = "2.3" ;
            		:VersionDate = "2015-02-11" ;
            } // group subsystem\#2
          } // group subsystem_information
        } // group variable_header
      } // group earth_explorer_header
    } // group ESA_METADATA
  } // group METADATA
}
