10R 10.5067/PUEJGU6YBZ0P http://dx.doi.org/ Values in O2 channel at 785 and 755 nm respectively. 2 /Dimensions/AlbedoWavelength Number of ancillary input files. 14 /Dimensions/AncFile x, y, z. 3 /Dimensions/EuclidDim Index of frame in granule. 7885 /Dimensions/Frame Number of gaps. 1 /Dimensions/Gap Number of primary input files. 2 /Dimensions/InputPtr Attitude and ephemeris files. 0 /Dimensions/OrbitParamPtr Index of downlinked sounding in granule. 8 /Dimensions/Sounding Sounding positions. 8 /Dimensions/SoundingPosition Spectrum index(O2, WeakCO2, StrongCO2). 3 /Dimensions/Spectrum AncFile 1 /Shapes/AncFile_Array Frame 1 /Shapes/Frame_Array Frame EuclidDim 2 /Shapes/Frame_EuclidDim_Array Frame Sounding AlbedoWavelength 3 /Shapes/Frame_Sounding_AlbedoWavelength_Array Frame Sounding 2 /Shapes/Frame_Sounding_Array Gap 1 /Shapes/Gap_Array InputPtr 1 /Shapes/InputPtr_Array OrbitParamPtr 1 /Shapes/OrbitParamPtr_Array 0 /Shapes/Scalar SoundingPosition 1 /Shapes/SoundingPosition_Array Spectrum 1 /Shapes/Spectrum_Array O2 albedo at 785 and 755 nm. Frame_Sounding_AlbedoWavelength_Array Float32 albedo_o2_abp /ABandRetrieval/albedo_o2_abp Bit flags (0=passed, 1=fail) for individual ABP filters: 0: psurf test; 1: chi-sq test, 2: reflectance test, 3: unphysical test (retrieval parameter went out of bounds), 7: did not perform retrieval (default). Frame_Sounding_Array IntBitfield8 bit_flag_abp /ABandRetrieval/bit_flag_abp Indicator of whether the sounding contained clouds: 0 - 'Clear', 1 - 'Cloudy', 2 - 'Not classified'. 2 0 Frame_Sounding_Array Signed8 cloud_flag_abp /ABandRetrieval/cloud_flag_abp A number retrieved by the ABO2 algorithm that multiplies the dispersion coefficients as given in the L1B input file to get the effective wavelength of each channel. Frame_Sounding_Array Float64 dispersion_multiplier_abp /ABandRetrieval/dispersion_multiplier_abp The dispersion multiplier used as a first guess by the ABO2 algorithm (estimated based on the observed position of the strong solar line at 12985.16325 cm^-1). Frame_Sounding_Array Float64 dispersion_multiplier_fg_abp /ABandRetrieval/dispersion_multiplier_fg_abp The median radiance in the fitted region of the ABO2 band. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} median_radiance_o2_abp /ABandRetrieval/median_radiance_o2_abp O2 measurement noise retrieved by the ABO2 algorithm. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} noise_o2_abp /ABandRetrieval/noise_o2_abp The number of elements contained in the ABP state vector; for Ops B8 = 5 [psurf, temperature offset, albedo[0], albedo[1], dispersion multiplier]. Frame_Sounding_Array Signed8 num_sv_elements_abp /ABandRetrieval/num_sv_elements_abp O2 reduced chi squared retrieved by ABO2 preprocessing. Frame_Sounding_Array Float32 reduced_chi_squared_o2_abp /ABandRetrieval/reduced_chi_squared_o2_abp Threshold of O2 reduced chi squared used to set cloud_flag. Frame_Sounding_Array Float32 reduced_chi_squared_o2_threshold_abp /ABandRetrieval/reduced_chi_squared_o2_threshold_abp Simple, unvalidated parameterization for determination of sea ice presence over a water surface based on continuum signals in bands 1 and 3; use with caution. 0=no sea ice, 1=sea ice, 2=undetermined. 2 0 Frame_Sounding_Array Signed8 sea_ice_flag_abp /ABandRetrieval/sea_ice_flag_abp O2 measurement signal level retrieved by the ABO2 algorithm. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} signal_o2_abp /ABandRetrieval/signal_o2_abp Indicates whether the processing was skipped due to bad or missing inputs: 0 - 'No', 1 - 'Yes'. 1 0 Frame_Sounding_Array Signed8 skip_flag_abp /ABandRetrieval/skip_flag_abp O2 measurement SNR retrieved by the ABO2 algorithm. Frame_Sounding_Array Float32 snr_o2_abp /ABandRetrieval/snr_o2_abp Velocity of the sun along the instrument/Sun vector: positive indicates Sun moving toward instrument. Frame_Sounding_Array Float32 Meters Second^{-1} solar_doppler_velocity_abp /ABandRetrieval/solar_doppler_velocity_abp Surface pressure retrieved by the ABO2 algorithm. Frame_Sounding_Array Float32 Pascals surface_pressure_abp /ABandRetrieval/surface_pressure_abp a priori surface pressure used by the ABO2 algorithm. Frame_Sounding_Array Float32 Pascals surface_pressure_apriori_abp /ABandRetrieval/surface_pressure_apriori_abp The value of surface_pressure_abp minus surface_pressure_apriori_abp and surface_pressure_offset_abp. Frame_Sounding_Array Float32 Pascals surface_pressure_delta_abp /ABandRetrieval/surface_pressure_delta_abp Empirically determined value to be added to the A-band retrieved surface pressure, such that their sum is unbiased in clear scenes. It is modeled as a piecewise linear function of solar zenith angle; separate functions are used for land vs. ocean pixels. Frame_Sounding_Array Float32 Pascals surface_pressure_offset_abp /ABandRetrieval/surface_pressure_offset_abp The offset to the prior meteorological temperature profile as retrieved by the ABO2 algorithm. Frame_Sounding_Array Float32 Kelvins temperature_offset_abp /ABandRetrieval/temperature_offset_abp Oxygen A-band zero level offset. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} zero_level_offset_o2_abp /ABandRetrieval/zero_level_offset_o2_abp The angle between the line-of-site and the look vector from the satellite to the glint spot at the frame time. 180.0000000 0.000000000 Frame_Array Float32 Degrees glint_off_pointing_angle /FrameGeometry/glint_off_pointing_angle The great circle distance between the target and the glint spot at the frame time. 180.0000000 0.000000000 Frame_Array Float32 Meters glint_off_target_distance /FrameGeometry/glint_off_target_distance Geodetic latitude of the glint spot at the frame time. 90.00000000 -90.00000000 Frame_Array Float32 Degrees glint_spot_latitude /FrameGeometry/glint_spot_latitude Geodetic longitude of the glint spot at the frame time. 180.0000000 -180.0000000 Frame_Array Float32 Degrees glint_spot_longitude /FrameGeometry/glint_spot_longitude Ground track orientation relative to local North. 360.0000000 0.000000000 Frame_Array Float32 Degrees ground_track /FrameGeometry/ground_track Interpolated spacecraft attitude at the frame time. 180.0000000 -180.0000000 Frame_Array Float32 Degrees pitch /FrameGeometry/pitch Interpolated spacecraft attitude at the frame time. 180.0000000 -180.0000000 Frame_Array Float32 Degrees roll /FrameGeometry/roll The solar beta angle of the spacecraft orbit at the frame time. 90.00000000 -90.00000000 Frame_Array Float32 Degrees solar_beta_angle /FrameGeometry/solar_beta_angle Altitude of the spacecraft above the reference ellipsoid at the frame time. Frame_Array Float32 Meters spacecraft_alt /FrameGeometry/spacecraft_alt Geodetic latitude of the spacecraft at the frame time. 90.00000000 -90.00000000 Frame_Array Float32 Degrees spacecraft_lat /FrameGeometry/spacecraft_lat Longitude of the spacecraft at the frame time. 180.0000000 -180.0000000 Frame_Array Float32 Degrees spacecraft_lon /FrameGeometry/spacecraft_lon Interpolated spacecraft position at the frame time. Frame_EuclidDim_Array Float32 Meters spacecraft_position /FrameGeometry/spacecraft_position Interpolated spacecraft velocity at the frame time. Frame_EuclidDim_Array Float32 Meters Second^{-1} spacecraft_velocity /FrameGeometry/spacecraft_velocity Interpolated spacecraft attitude at the frame time. 180.0000000 -180.0000000 Frame_Array Float32 Degrees yaw /FrameGeometry/yaw Maximum clocking correction factor of the ABO2 footprint. Frame_Sounding_Array Float32 max_declocking_factor_o2 /L1bScSpectralParameters/max_declocking_factor_o2 Maximum clocking correction factor of the SCO2 footprint. Frame_Sounding_Array Float32 max_declocking_factor_strong_co2 /L1bScSpectralParameters/max_declocking_factor_strong_co2 Maximum clocking correction factor of the WCO2 footprint. Frame_Sounding_Array Float32 max_declocking_factor_weak_co2 /L1bScSpectralParameters/max_declocking_factor_weak_co2 The mean signal of the good samples in ABO2 falling between the 98th and 99th percentile for signal level. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} rad_continuum_o2 /L1bScSpectralParameters/rad_continuum_o2 The mean signal of the good samples in SCO2 falling between the 98th and 99th percentile for signal level. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} rad_continuum_strong_co2 /L1bScSpectralParameters/rad_continuum_strong_co2 The mean signal of the good samples in WCO2 falling between the 98th and 99th percentile for signal level. Frame_Sounding_Array Float32 Ph sec^{-1} m^{-2} sr^{-1} um^{-1} rad_continuum_weak_co2 /L1bScSpectralParameters/rad_continuum_weak_co2 The mean signal-to-noise ratio of the good samples in ABO2 falling between the 98th and 99th percentile for signal level. Frame_Sounding_Array Float32 snr_o2_l1b /L1bScSpectralParameters/snr_o2_l1b The mean signal-to-noise ratio of the good samples in SCO2 falling between the 98th and 99th percentile for signal level. Frame_Sounding_Array Float32 snr_strong_co2_l1b /L1bScSpectralParameters/snr_strong_co2_l1b The mean signal-to-noise ratio of the good samples in WCO2 falling between the 98th and 99th percentile for signal level. Frame_Sounding_Array Float32 snr_weak_co2_l1b /L1bScSpectralParameters/snr_weak_co2_l1b Number of bad colors in ABO2 spectrum. Frame_Sounding_Array Signed16 spike_eof_bad_colors_o2 /L1bScSpectralParameters/spike_eof_bad_colors_o2 Number of bad colors in SCO2 spectrum. Frame_Sounding_Array Signed16 spike_eof_bad_colors_strong_co2 /L1bScSpectralParameters/spike_eof_bad_colors_strong_co2 Number of bad colors in WCO2 spectrum. Frame_Sounding_Array Signed16 spike_eof_bad_colors_weak_co2 /L1bScSpectralParameters/spike_eof_bad_colors_weak_co2 The name of the Ancillary Radiometric Product file used to calibrate this file. Scalar VarLenStr ARPAncillaryDatasetDescriptor /Metadata/ARPAncillaryDatasetDescriptor The instrument mode in which the data in the product were collected. Values include: 'Sample Science', 'Sample Dark Calibration', 'Sample Lamp Calibration', 'Sample Solar/limb Calibration', 'Sample Lunar Calibration', 'Single-Pixel Dark Calibration', 'Single-Pixel Lamp Calibration', 'Single-Pixel Solar/limb Calibration', Single-Pixel Lunar Calibration', 'Standby'. Scalar VarLenStr AcquisitionMode /Metadata/AcquisitionMode Actual number of frames reported in this product. Scalar Signed32 ActualFrames /Metadata/ActualFrames The file names of the ancillary data files that were used to generate this product (ancillary data sets include all input files except for the primary input files). AncFile_Array VarLenStr AncillaryDataDescriptors /Metadata/AncillaryDataDescriptors The ID of build in which included the software that created this product. Scalar VarLenStr BuildId /Metadata/BuildId Label of the data collection containing this product. Scalar VarLenStr CollectionLabel /Metadata/CollectionLabel A character string that describes the internal format of the data product. Scalar FixLenStr DataFormatType /Metadata/DataFormatType Nominal number of frames in this product. Scalar Signed32 ExpectedFrames /Metadata/ExpectedFrames The timestamp after which a nonexistent, unnecessary, spurious, questionable, or erroneous data segment begins. Gap_Array FixLenStr GapStartTime /Metadata/GapStartTime The timestamp before which a nonexistent, unnecessary, spurious, questionable, or erroneous data segment ends. Gap_Array FixLenStr GapStopTime /Metadata/GapStopTime The filename of this product. Scalar VarLenStr GranulePointer /Metadata/GranulePointer A character string that identifies the version of the HDF (Hierarchical Data Format) software that was used to generate this data file. Scalar VarLenStr HDFVersionId /Metadata/HDFVersionId A pointer to one or more data granules that provide the major input that was used to generate this product. InputPtr_Array VarLenStr InputPointer /Metadata/InputPointer The name of the instrument that collected the telemetry data. Scalar VarLenStr InstrumentShortName /Metadata/InstrumentShortName Identification of the algorithm and/or version used to generate this product. Scalar VarLenStr L2ABPAlgorithmDescriptor /Metadata/L2ABPAlgorithmDescriptor A complete descriptive name for the data type of this product. Scalar VarLenStr LongName /Metadata/LongName The Nth occurrence of this particular mode for this orbit, indicated by letter ('a', 'b', 'c', 'd', etc.). Scalar FixLenStr ModeCounter /Metadata/ModeCounter The two-letter abbreviation of the AcquisitionMode, e.g.: SC, DS, LS, SS, MS, DP, LP, SP, MP, SB. Scalar FixLenStr OperationMode /Metadata/OperationMode A descriptive name of the platform which acquires the accompanying data. Scalar VarLenStr PlatformLongName /Metadata/PlatformLongName The short name of platform which acquires the accompanying data. Scalar VarLenStr PlatformShortName /Metadata/PlatformShortName The type of platform associated with the instrument which acquires the accompanying data. Scalar VarLenStr PlatformType /Metadata/PlatformType Indicates data level (Level 0, Level 1A, Level 1B, Level 2) in this product. Scalar VarLenStr ProcessingLevel /Metadata/ProcessingLevel Identification of the agency that provides the project funding. Scalar VarLenStr ProducerAgency /Metadata/ProducerAgency Identification of the institution that provides project management. Scalar VarLenStr ProducerInstitution /Metadata/ProducerInstitution The date and time at which the product was created (yyyy-mm-ddThh:mm:ss.mmmZ). Scalar FixLenStr ProductionDateTime /Metadata/ProductionDateTime Facility in which this file was produced, typically: 'Operations Pipeline', 'Operations Pipeline 2', 'Science Computing Facility', 'Test Pipeline', Test Pipeline 2'. Scalar VarLenStr ProductionLocation /Metadata/ProductionLocation One-letter code indicating the ProductionLocation, typically: ' ' - Operations Pipelines (1) or 2, 's' - Science Computing Facility, 't' - Test Pipelines (1) or 2. Scalar FixLenStr ProductionLocationCode /Metadata/ProductionLocationCode The project identification string. Scalar VarLenStr ProjectId /Metadata/ProjectId A pointer to the quality assessment product that was generated with this product. Scalar VarLenStr QAGranulePointer /Metadata/QAGranulePointer The date on which the earliest data contained in the product were acquired (yyyy-mm-dd). Scalar FixLenStr RangeBeginningDate /Metadata/RangeBeginningDate The time at which the earliest data contained in the product were acquired (hh:mm:ss.mmmZ). Scalar FixLenStr RangeBeginningTime /Metadata/RangeBeginningTime The date on which the latest data contained in the product were acquired (yyyy-mm-dd). Scalar FixLenStr RangeEndingDate /Metadata/RangeEndingDate The time at which the latest data contained in the product were acquired (hh:mm:ss.mmmZ). Scalar FixLenStr RangeEndingTime /Metadata/RangeEndingTime Indicates the inclusion of each footprint in the data: 0 - not included, 1 - included. 1 0 SoundingPosition_Array Signed8 ReportedSoundings /Metadata/ReportedSoundings The name of the document describing the contents of the product. Scalar VarLenStr SISName /Metadata/SISName The version of the document describing the contents of the product. Scalar VarLenStr SISVersion /Metadata/SISVersion The short name identifying the data type of this product. Scalar VarLenStr ShortName /Metadata/ShortName The size of this data granule in Megabytes, before final compression. Scalar Float32 Megabytes SizeMBECSDataGranule /Metadata/SizeMBECSDataGranule A description of the spectral channels used for the measurements. Spectrum_Array VarLenStr SpectralChannel /Metadata/SpectralChannel The first local solar day of the mission on which data contained in the product were acquired. Scalar Signed32 StartMissionSolarDay /Metadata/StartMissionSolarDay The last local solar day of the mission on which data contained in the product were acquired. Scalar Signed32 StopMissionSolarDay /Metadata/StopMissionSolarDay Altitude of the sounding based on Earth topography. Frame_Sounding_Array Float32 Meters sounding_altitude /SoundingGeometry/sounding_altitude Uncertainty of the source Earth topography data. Frame_Sounding_Array Float32 Meters sounding_altitude_uncert /SoundingGeometry/sounding_altitude_uncert Orientation of the surface slope relative to the local North. 360.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_aspect /SoundingGeometry/sounding_aspect Attitude data source flag: 0= Unspecified, 1= ISS, 2= OCO-3 SRU, 3= Merged ISS to CALET (orbit gap), 4= Smoothed CALET, 5= Merged ISS to CALET (sub-orbit), 6= Merged ISS to SRU (2 ends), 7= Merged ISS to SRU (1 end), 8= Merged ISS to SRU (2 ends, long gap), 9= Merged ISS to SRU (1 end, long gap), -1= None. Frame_Sounding_Array Signed8 sounding_att_data_source /SoundingGeometry/sounding_att_data_source Angle between the LOS as defined from the sounding location to the spacecraft, and the sounding location local north direction. 360.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_azimuth /SoundingGeometry/sounding_azimuth Distance between the ABO2 band footprint center and the WCO2 band footprint center. Frame_Sounding_Array Float32 Meters sounding_center_offset_o2_weak_co2 /SoundingGeometry/sounding_center_offset_o2_weak_co2 Distance between the SCO2 band footprint center and the ABO2 band footprint center. Frame_Sounding_Array Float32 Meters sounding_center_offset_strong_co2_o2 /SoundingGeometry/sounding_center_offset_strong_co2_o2 Distance between the WCO2 band footprint center and the SCO2 band footprint center. Frame_Sounding_Array Float32 Meters sounding_center_offset_weak_co2_strong_co2 /SoundingGeometry/sounding_center_offset_weak_co2_strong_co2 Ephemeris data source flag: 0= Unspecified, 1= ISS, -1= None. Frame_Sounding_Array Signed8 sounding_eph_data_source /SoundingGeometry/sounding_eph_data_source Percentage of land surface type within the sounding. 100.0000000 0.000000000 Frame_Sounding_Array Float32 Percent sounding_land_fraction /SoundingGeometry/sounding_land_fraction Surface type at the sounding location: 0 - Land, 1 - Water, 2 - unused, 3 - Mixed land water. 3 0 Frame_Sounding_Array Signed8 sounding_land_water_indicator /SoundingGeometry/sounding_land_water_indicator Geodetic latitude of the sounding based on Earth topography. 90.00000000 -90.00000000 Frame_Sounding_Array Float32 Degrees sounding_latitude /SoundingGeometry/sounding_latitude Geodetic latitude of the sounding based on standard geoid. 90.00000000 -90.00000000 Frame_Sounding_Array Float32 Degrees sounding_latitude_geoid /SoundingGeometry/sounding_latitude_geoid Longitude of the sounding based on Earth topography. 180.0000000 -180.0000000 Frame_Sounding_Array Float32 Degrees sounding_longitude /SoundingGeometry/sounding_longitude Longitude of the sounding based on standard geoid. 180.0000000 -180.0000000 Frame_Sounding_Array Float32 Degrees sounding_longitude_geoid /SoundingGeometry/sounding_longitude_geoid Angle between the LOS as defined from the sounding location to the spacecraft, and the sounding surface normal. 180.0000000 0.000000000 Frame_Sounding_Array Float32 sounding_los_surface_bidirectional_angle /SoundingGeometry/sounding_los_surface_bidirectional_angle A two-letter abbreviation of the effective science pointing mode: GL, ND, TG, AM, XS. Frame_Sounding_Array FixLenStr sounding_operation_mode /SoundingGeometry/sounding_operation_mode Union in area of all three band footprints relative to average area of all three band footprints. 100.0000000 0.000000000 Frame_Sounding_Array Float32 Percent sounding_overlap /SoundingGeometry/sounding_overlap Union in area of the footprints of band one and two relative to the average area of the two footprints. 100.0000000 0.000000000 Frame_Sounding_Array Float32 Percent sounding_overlap_o2_weak_co2 /SoundingGeometry/sounding_overlap_o2_weak_co2 Union in area of the footprints of band one and three relative to the average area of the two footprints. 100.0000000 0.000000000 Frame_Sounding_Array Float32 Percent sounding_overlap_strong_co2_o2 /SoundingGeometry/sounding_overlap_strong_co2_o2 Union in area of the footprints of band two and three relative to the average area of the two footprints. 100.0000000 0.000000000 Frame_Sounding_Array Float32 Percent sounding_overlap_weak_co2_strong_co2 /SoundingGeometry/sounding_overlap_weak_co2_strong_co2 0 = Estimator uses SRU, IMU, and GPS, 1 = Estimator uses SRU, and GPS, 2 = Estimator uses IMU, and GPS, 3 = Estimator uses SRU, IMU, and BAD position, 4 = Estimator uses SRU, and BAD position, 5 = Estimator uses IMU, and BAD position, 6 = Estimator uses BAD attitude, and GPS position, 7 = Estimator uses ISS BAD data only Else = no data available. 7 -1 Frame_Sounding_Array Signed8 sounding_pcs_data_source /SoundingGeometry/sounding_pcs_data_source The two-letter abbreviation of the Pointing Control System mode: PS, PA, PR, PC, PJ, PT, RN, ND, RG, GL, RT, TG, RA, AM. Frame_Sounding_Array FixLenStr sounding_pcs_mode /SoundingGeometry/sounding_pcs_mode Goodness-of-fit of surface slope: the standard deviation of the points, to which the plane is fitted, with the expected values taken as the orthogonal projection of the points onto the plane. Frame_Sounding_Array Float32 Meters sounding_plane_fit_quality /SoundingGeometry/sounding_plane_fit_quality Pointing Mirror Assembly azimuth rotation angle in science reference. 360.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_pma_azimuth /SoundingGeometry/sounding_pma_azimuth Pointing Mirror Assembly elevation rotation angle in science reference. 90.00000000 -90.00000000 Frame_Sounding_Array Float32 Degrees sounding_pma_elevation /SoundingGeometry/sounding_pma_elevation Motion flag for Pointing Mirror Assembly (0 = not moving, 1 = in motion, -1 = unknown). 1 -1 Frame_Sounding_Array Signed8 sounding_pma_motion_flag /SoundingGeometry/sounding_pma_motion_flag Angle between the accepted polarization axis of the instrument and the instrument reference plane for polarization, defined as the plane formed by the LOS and the ray from the sounding location to the local zenith. 360.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_polarization_angle /SoundingGeometry/sounding_polarization_angle Velocity of the spacecraft along the LOS: positive indicates spacecraft moving toward sounding location. Frame_Sounding_Array Float32 Meters Second^{-1} sounding_relative_velocity /SoundingGeometry/sounding_relative_velocity Difference in slant path between ABO2 and WCO2 footprints. Frame_Sounding_Array Float32 Meters sounding_slant_path_diff_o2_weak_co2 /SoundingGeometry/sounding_slant_path_diff_o2_weak_co2 Difference in slant path between SCO2 and ABO2 footprints. Frame_Sounding_Array Float32 Meters sounding_slant_path_diff_strong_co2_o2 /SoundingGeometry/sounding_slant_path_diff_strong_co2_o2 Difference in slant path between WCO2 and SCO2 footprints. Frame_Sounding_Array Float32 Meters sounding_slant_path_diff_weak_co2_strong_co2 /SoundingGeometry/sounding_slant_path_diff_weak_co2_strong_co2 Slope of a plane fit to points within the sounding. 180.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_slope /SoundingGeometry/sounding_slope Angle between the solar direction as defined from the sounding location to the sun, and the sounding location local north direction. 360.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_solar_azimuth /SoundingGeometry/sounding_solar_azimuth Distance between sounding location and the Sun. Frame_Sounding_Array Float64 Meters sounding_solar_distance /SoundingGeometry/sounding_solar_distance Velocity of the Sun along the sounding location/Sun vector: negative indicates Sun moving toward sounding location. Frame_Sounding_Array Float32 Meters Second^{-1} sounding_solar_relative_velocity /SoundingGeometry/sounding_solar_relative_velocity Angle between the solar direction as defined from the sounding location to the sun, and the sounding surface normal. 180.0000000 0.000000000 Frame_Sounding_Array Float32 sounding_solar_surface_bidirectional_angle /SoundingGeometry/sounding_solar_surface_bidirectional_angle Angle between the solar direction as defined from the sounding location to the sun, and the sounding location local zenith direction. 180.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_solar_zenith /SoundingGeometry/sounding_solar_zenith Standard deviation of the altitude within the sounding. Frame_Sounding_Array Float32 Meters sounding_surface_roughness /SoundingGeometry/sounding_surface_roughness Data acquisition time for the sounding based upon the three footprint times (yyyy-mm-ddThh:mm:ss.mmmZ). Frame_Sounding_Array FixLenStr sounding_time_string /SoundingGeometry/sounding_time_string Data acquisition time for the sounding based upon the three footprint times in seconds since Jan. 1, 1993. Frame_Sounding_Array Float64 Seconds sounding_time_tai93 /SoundingGeometry/sounding_time_tai93 Angle between the LOS as defined from the sounding location to the spacecraft, and the sounding location local zenith direction. 180.0000000 0.000000000 Frame_Sounding_Array Float32 Degrees sounding_zenith /SoundingGeometry/sounding_zenith