EARTH SCIENCE > SPECTRAL/ENGINEERING > MICROWAVE > ANTENNA TEMPERATURE CF-1.6, ACDD-1.3 ATMS instrument telemetry 1B L1B Support for this research was provided by NASA. CF Standard Name Table v28 Sounder SIPS SNDR EPSG:4326 P0000-00-00T00:06:00 m06 institution GCMD:GCMD Keywords JPSS-1 > Joint Polar Satellite System - 1 GCMD:GCMD Keywords ATMS > Advanced Technology Microwave Sounder GCMD:GCMD Keywords ATMS nc point swath Swath v02.00.23 JPSS-1 ATMS Level-1B The Level-1B ATMS product includes data from the ATMS instrument for one six-minute interval. Data is geolocated and calibrated to antenna temperature. SNDRJ1ATMSL1B l1b_atms ATMS ATBD is in review. It will be published at http://eospso.gsfc.nasa.gov/content/algorithm-theoretical-basis-documents Jet Propulsion Laboratory: Bjorn Lambrigtsen ATMS Scientist Created on 2021-01-26T15:17:50Z by L1A ATMS PGE at Sounder SIPS: GES DISC, v02.11.03; Created on 2021-01-26T17:39:22Z by Level 1B ATMS PGE at Sounder SIPS: GES DISC, version v02_11 Freely Distributed 2021-01-26T17:39:22Z Sounder SIPS: GES DISC gsfc-help-disc@lists.nasa.gov http://disc.sci.gsfc.nasa.gov/ Goddard Space Flight Center - National Aeronautics and Space Administration Goddard Earth Science Data and Information Services Center gsfc-help-disc@lists.nasa.gov http://disc.sci.gsfc.nasa.gov/ POLYGON ((-11.00 59.33, -7.46 81.96, 13.13 77.36, 9.59 54.69, -11.00 59.33)) -11.0049849 13.1326838 54.6972733 81.9653778 2021-01-26T08:48:00Z 2021-01-26T08:48:00Z 2021-01-26T08:51:00Z 2021-01-26T08:54:00Z 2021-01-26T08:53:59Z Goddard Space Flight Center - National Aeronautics and Space Administration v02.11.03 J1 SNDR.J1.ATMS.20210126T0848.m06.g089.L1B.std.v02_11.G.210126173922.nc std v02_11 G 210126173922 89 g089 20210126T0848 1.06384945 68.3313293 10.5067/VP66V3OTXOPY http://dx.doi.org/ 10.5067/VP66V3OTXOPY http://dx.doi.org/ 2017-08 IDPS emulation Linux ac21-local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux SNDRJ1ATMSL1A.A2021026.0842.2.2021026151203.hdf; SNDRJ1ATMSL1A.A2021026.0848.2.2021026151203.hdf; SNDRJ1ATMSL1A.A2021026.0854.2.2021026151203.hdf; SNDR.J1.L1bMw.apf.181010000000.xml; SNDR.J1.L1bMw.template.180523000000.nc ATMS_L1A; ATMS_L1A; ATMS_L1A; ATMS_L1B_AlgParam; ATMS_L1B_Template 2021-01-26; 2021-01-26; 2021-01-26; N/A; N/A Ascending Day Passed 0.00000000 100.000000 100.000000 FALSE http://disc.sci.gsfc.nasa.gov/ earth view observation id unique earth view observation identifier: yyyymmddThhmm.aa[a]Exx . Includes gran_id plus two- or three-digit along-track index (01-45 or 001-135) and 2-digit cross-track index (01-96). referenceInformation instrument state lon lat instrument/data state: 0/'Process' - Data is usable for science; 1/'Special' - Observations are valid but instrument is not configured for science data (ex: stare mode); 2/'Erroneous' - Data is not usable (ex: checksum error); 3/'Missing' - No data was received. 255 qualityInformation Process Special Erroneous Missing 0 1 2 3 seconds since 1993-01-01 00:00 -2934835217.000000 3376598410.000000 earth view FOV midtime time earth view observation midtime for each FOV 9.969209968386869e+36 referenceInformation earth view UTC FOV time utc_tuple_lbl UTC earth view observation time as an array of integers: year, month, day, hour, minute, second, millisec, microsec 65535 referenceInformation degrees_north -90.0000000 90.0000000 latitude latitude latitude of FOV center 9.96920997e+36 referenceInformation lat_bnds degrees_north -90.0000000 90.0000000 latitude latitude latitude of FOV center on the geoid (without terrain correction) 9.96920997e+36 referenceInformation degrees_east -180.000000 180.000000 longitude longitude longitude of FOV center 9.96920997e+36 referenceInformation lon_bnds degrees_east -180.000000 180.000000 longitude longitude longitude of FOV center on the geoid (without terrain correction) 9.96920997e+36 referenceInformation degrees_north -90.0000000 90.0000000 FOV boundary latitudes latitudes of points forming a polygon around the perimeter of the FOV 9.96920997e+36 referenceInformation degrees_east -180.000000 180.000000 FOV boundary longitudes longitudes of points forming a polygon around the perimeter of the FOV 9.96920997e+36 referenceInformation 1 0.00000000 1.00000000 land fraction land_area_fraction lon lat land fraction over the FOV 9.96920997e+36 referenceInformation area: mean (beam-weighted) m surf_alt_sdev -500.000000 10000.0000 surface altitude surface_altitude lon lat mean surface altitude wrt earth model over the FOV 9.96920997e+36 referenceInformation area: mean (beam-weighted) m 0.00000000 10000.0000 surface altitude standard deviation lon lat standard deviation of surface altitude within the FOV 9.96920997e+36 qualityInformation area: standard_deviation (beam-weighted) degrees_north -90.0000000 90.0000000 sun glint latitude latitude subsat_lon subsat_lat sun glint spot latitude at scan_mid_time. Fill for night observations. 9.96920997e+36 referenceInformation degrees_east -180.000000 180.000000 sun glint longitude longitude subsat_lon subsat_lat sun glint spot longitude at scan_mid_time. Fill for night observations. 9.96920997e+36 referenceInformation degree 0.00000000 180.000000 solar zenith angle solar_zenith_angle lon lat solar zenith angle at the center of the spot 9.96920997e+36 referenceInformation degree 0.00000000 360.000000 solar azimuth angle solar_azimuth_angle lon lat solar azimuth angle at the center of the spot (clockwise from North) 9.96920997e+36 referenceInformation m 0.00000000 30000000.0 sun glint distance lon lat distance of sun glint spot to the center of the spot. Fill for night observations. 9.96920997e+36 referenceInformation degree 0.00000000 180.000000 view angle sensor_view_angle lon lat off nadir pointing angle 9.96920997e+36 referenceInformation degree 0.00000000 180.000000 satellite zenith angle sensor_zenith_angle lon lat satellite zenith angle at the center of the spot 9.96920997e+36 referenceInformation degree 0.00000000 360.000000 satellite azimuth angle sensor_azimuth_angle lon lat satellite azimuth angle at the center of the spot (clockwise from North) 9.96920997e+36 referenceInformation m 100000.000 10000000.0 satellite range lon lat line of sight distance between satellite and spot center 9.96920997e+36 referenceInformation 0 1 ascending orbit flag subsat_lon subsat_lat ascending orbit flag: 1 if ascending, 0 descending 255 referenceInformation descending ascending 0 1 degrees_north -90.0000000 90.0000000 sub-satellite latitude latitude sub-satellite latitude at scan_mid_time 9.96920997e+36 referenceInformation degrees_east -180.000000 180.000000 sub-satellite longitude longitude sub-satellite longitude at scan_mid_time 9.96920997e+36 referenceInformation seconds since 1993-01-01 00:00 -2934835217.000000 3376598410.000000 midscan TAI93 time subsat_lon subsat_lat TAI93 at middle of earth scene scans 9.969209968386869e+36 referenceInformation m 100000.000 1000000.00 satellite altitude altitude subsat_lon subsat_lat satellite altitude with respect to earth model at scan_mid_time 9.96920997e+36 referenceInformation m satellite position subsat_lon subsat_lat spatial_lbl satellite ECR position at scan_mid_time 9.96920997e+36 referenceInformation m s-1 satellite velocity subsat_lon subsat_lat spatial_lbl satellite ECR velocity at scan_mid_time 9.96920997e+36 referenceInformation degree -180.000000 180.000000 satellite attitude subsat_lon subsat_lat angular_lbl satellite attitude at scan_mid_time. An orthogonal triad. First element is angle about the +x (roll) ORB axis. +x axis is positively oriented in the direction of orbital flight. Second element is angle about +y (pitch) ORB axis. +y axis is oriented normal to the orbit plane with the positive sense opposite to that of the orbit's angular momentum vector H. Third element is angle about +z (yaw) axis. +z axis is positively oriented Earthward parallel to the satellite radius vector R from the spacecraft center of mass to the center of the Earth. 9.96920997e+36 referenceInformation degree 0.00000000 180.000000 moon angle subsat_lon subsat_lat angle between moon and FOV center for space view 9.96920997e+36 referenceInformation hours 0.00000000 24.0000000 local apparent solar time lon lat local apparent solar time in hours from midnight 9.96920997e+36 referenceInformation degree 0.00000000 360.000000 mean anomaly with respect to the equator subsat_lon subsat_lat spacecraft mean anomaly measured with respect to the ascending node 9.96920997e+36 referenceInformation degree 0.00000000 180.000000 satellite solar zenith subsat_lon subsat_lat solar zenith angle at the satellite 9.96920997e+36 referenceInformation degree 0.00000000 360.000000 satellite solar azimuth subsat_lon subsat_lat solar azimuth angle at the satellite (clockwise from North) 9.96920997e+36 referenceInformation degrees_east -180.000000 180.000000 ascending node Longitude of the last ascending node of spacecraft orbit before time_coverage_end. 9.96920997e+36 referenceInformation seconds since 1993-01-01 00:00 -2934835217.000000 3376598410.000000 ascending node time TAI93 time of the last ascending node of spacecraft orbit before time_coverage_end. 9.969209968386869e+36 referenceInformation hours 0.00000000 24.0000000 local apparent solar time at the ascending node local apparent solar time at the last ascending node before time_coverage_end in hours from midnight 9.96920997e+36 referenceInformation degree -90.0000000 90.0000000 beta angle Beta angle for the spacecraft orbit, determining the percentage of the orbit that the spacecraft is in direct sunlight. 9.96920997e+36 referenceInformation rotational direction list of rotational directions (roll, pitch, yaw) auxiliaryInformation spatial direction list of spatial directions (X, Y, Z) auxiliaryInformation UTC date/time parts names of the elements of UTC when it is expressed as an array of integers year,month,day,hour,minute,second,millisecond,microsecond auxiliaryInformation degrees_north -90.0000000 90.0000000 band latitude latitude band-specific fov center latitude 9.96920997e+36 referenceInformation band_lat_bnds degrees_east -180.000000 180.000000 band longitude longitude band-specific fov center longitude 9.96920997e+36 referenceInformation band_lon_bnds degrees_north -90.0000000 90.0000000 band fov boundary latitudes latitudes of points forming a polygon around the perimeter of the band-specific fov 9.96920997e+36 referenceInformation degrees_east -180.000000 180.000000 band fov boundary longitudes longitudes of points forming a polygon around the perimeter of the band-specific fov 9.96920997e+36 referenceInformation 1 0.00000000 1.00000000 band land fraction land_area_fraction band_lbl band_lat band_lon band-specific land fraction over the fov 9.96920997e+36 area: mean (beam-weighted) referenceInformation m -500.000000 10000.0000 band surface altitude surface_altitude band_lbl band_lat band_lon band-specific mean surface altitude over the fov 9.96920997e+36 area: mean (beam-weighted) referenceInformation 1 1 22 band geolocation channel bad_lbl Channel used in determining the geolocation information for each band 65535 referenceInformation Kelvin antenna_temp_qc 0.00000000 400.000000 antenna temperature brightness_temperature lon lat Calibrated scene brightness temperature for each ATMS channel and beam position. This output is the Rayleigh equivalent temperature and not the Planck blackbody equivalent temperature 9.96920997e+36 physicalMeasurement 0 2 antenna_temp QC brightness_temperature status_flag lon lat antenna_temp QC flag -1 qualityInformation Best Good Do_Not_Use 0 1 2 Kelvin 0.00100000005 100.000000 cold NEdT Noise equivalent delta temperature derived from observations of cold space 9.96920997e+36 qualityInformation Kelvin 0.00100000005 100.000000 warm NEdT Noise equivalent delta temperature derived from observations of the warm calibration target 9.96920997e+36 qualityInformation Band name sensor_band_identifier List of Microwave bands (K, Ka, V, W, G) auxillaryInformation 1 channel number Number for each channel (1-22) 65535 auxillaryInformation channel band Name of band for each channel auxillaryInformation antenna name Name of antenna for each channel , auxillaryInformation 22 MHz channel center frequency sensor_band_central_radiation_frequency Channel center frequency 9.96920997e+36 auxillaryInformation MHz first intermediate frequency offset Offset of first intermediate frequency stage (zero for no mixing) 9.96920997e+36 auxillaryInformation MHz second intermediate frequency offset Offset of second intermediate frequency stage (zero for no mixing) 9.96920997e+36 auxillaryInformation MHz total bandwidth bandwidth of sum of 1, 2, or 4 channels 9.96920997e+36 auxillaryInformation Polarization Nominal polarization: Vertical or Horizontal , auxillaryInformation 22 degree Beam width Nominal beam width 9.96920997e+36 auxillaryInformation