Dataset Information

keywords: EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > INFRARED RADIANCE
Format: netCDF
Conventions: CF-1.6, ACDD-1.3
source: CrIS instrument telemetry
processing_level: 1B
acknowledgment: Support for this research was provided by NASA.
standard_name_vocabulary: CF Standard Name Table v28
DataSetQuality: See Related URL for links to quality-related documents
geospatial_bounds_crs: EPSG:4326
geospatial_lat_min: 31.45167732
geospatial_lat_max: 51.94221878
geospatial_lon_min: -87.67424011
geospatial_lon_max: -57.46927261
product_name_duration: m06
keywords_vocabulary: GCMD:GCMD Keywords
platform: SUOMI-NPP > Suomi National Polar-orbiting Partnership
platform_vocabulary: GCMD:GCMD Keywords
product_name_platform: SNPP
instrument: CrIS > Cross-track Infrared Sounder
instrument_vocabulary: GCMD:GCMD Keywords
product_name_instr: CRIS
product_name_extension: nc
granule_number: 71
geospatial_lat_mid: NaN
geospatial_lon_mid: NaN
featureType: point
data_structure: swath
cdm_data_type: Swath
format_version: v02.02.73
AutomaticQualityFlagExplanation: 'Passed': all valid data with no gaps or quality issues; 'Suspect': some gaps or quality issues; 'Failed': no valid data
qa_pct_data_missing: 94.46913910
qa_pct_data_geo: 6.888888836
qa_pct_data_sci_mode: 4.444444656
title: SNPP CrIS Level-1B FSR
summary: The FSR CrIS Level 1B product consists of calibrated radiance spectra at Full Spectral Resolution, as well as geolocation information, metadata and derived parameters related to the observations.
product_group: l1b_cris
references: NASA Cross-track Infrared Sounder (CrIS) Level 1B Algorithm Theoretical Basis Document (ATBD) Version 4; NASA Cross-track Infrared Sounder (CrIS) Level 1B Product Users' Guide Version 4; NASA Cross-track Infrared Sounder (CrIS) Level 1B Quality Flags Description Document Version 4; NASA Cross-track Infrared Sounder (CrIS) Level 1B Radiometric Uncertainty Description Document Version 4; NASA Cross-track Infrared Sounder (CrIS) Level 1B Product Test Report Version 4
contributor_name: UW-Madison Space Science and Engineering Center: Joe K Taylor; UMBC Atmospheric Spectroscopy Laboratory: Larrabee Strow
contributor_role: CrIS L1B Scientist; CrIS L1B Scientist
license: Freely Distributed
creator_name: Sounder SIPS: GES DISC
creator_email: gsfc-dl-help-disc@mail.nasa.gov
creator_url: https://disc.gsfc.nasa.gov/
institution: Goddard Space Flight Center - National Aeronautics and Space Administration
project: Sounder SIPS
publisher_name: Goddard Earth Science Data and Information Services Center
publisher_email: gsfc-dl-help-disc@mail.nasa.gov
publisher_url: https://disc.gsfc.nasa.gov/
creator_type: group
creator_institution: Goddard Space Flight Center - National Aeronautics and Space Administration
product_version: v04.04.00
product_name_variant: std
product_name_version: v04_04
product_name_producer: G
id: 10.5067/HJWI0Z40VUNA
naming_authority: https://doi.org/
identifier_product_doi: 10.5067/HJWI0Z40VUNA
identifier_product_doi_authority: https://doi.org/
algorithm_version: v4.0.0
shortname: SNPPCrISL1B
metadata_link: https://disc.gsfc.nasa.gov/
product_name_granule_number: g071
gran_id: 20251223T0700
interferogram_resolution: XSR
time_coverage_start: 2025-12-23T07:00:00.00Z
time_of_first_valid_obs: 2025-12-23T07:00:04.984074Z
time_coverage_mid: 2025-12-23T07:03:00.00Z
time_coverage_end: 2025-12-23T07:06:00.00Z
time_of_last_valid_obs: 2025-12-23T07:05:35.584091Z
product_name: SNDR.SNPP.CRIS.20251223T0700.m06.g071.L1B.std.v04_04.G.251223124945.nc
geospatial_bounds: POLYGON ((-57.78 47.60, -87.10 51.78, -87.11 50.97, -58.36 46.88, -57.78 47.60))
orbitDirection: Descending
day_night_flag: Night
date_created: 2025-12-23T07:49:40Z
input_file_names: SNDR.SNPP.CRIS.20251223T0700.m06.g071.L1A.std.v04_04.G.251223114056.nc; isa_snpp_xsr_772p6788_dopp.mat; FIRfilter.mat; nedn_filt_snpp_fsr.mat; l1b_template.nc; SNDR.SNPP.CRIS.20251223T0654.m06.g070.L1A.std.v04_04.G.251223114056.nc; SNDR.SNPP.CRIS.20251223T0706.m06.g072.L1A.std.v04_04.G.251223114056.nc
input_file_dates: 2025-12-23; 2025-05-19; 2025-05-19; 2025-05-19; 2025-12-23; 2025-12-23; 2025-12-23
input_file_types: CRIS_L1A; isa_file; NF_file; nedn_filt; template_netcdf; CRIS_L1A; CRIS_L1A
production_host: Linux gs6102dsc-ac20 5.14.0-611.9.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Nov 27 10:37:27 EST 2025 x86_64 x86_64 x86_64 GNU/Linux
product_name_type_id: L1B
AutomaticQualityFlag: Failed
qa_no_data: FALSE
spectral_resolution: FSR
wnum_delta_lw: 0.62500000000000000
wnum_delta_mw: 0.62500000000000000
wnum_delta_sw: 0.62500000000000000
time_coverage_duration: P0000-00-00T00:06:00
product_name_project: SNDR
product_name_timestamp: 251223124945
history: 2025-12-23, 12:49:46, s4pmops, ../Snpp_Cris_L1b_Fsr/4.4.0/pge/uw_v4.0.0/bin/cris_l1a_to_l1b.sh -m SNPP -r FSR -c /vol2/snppPro/OPS/s4pm/snpp/stations/SN_V4_FW/run_algorithm/RUNNING.RUN_Snpp_Cris_L1b_Fsr.2025357070000/SNDR.SNPP.CRIS.20251223T0654.m06.g070.L1A.std.v04_04.G.251223114056.nc -c /vol2/snppPro/OPS/s4pm/snpp/stations/SN_V4_FW/run_algorithm/RUNNING.RUN_Snpp_Cris_L1b_Fsr.2025357070000/SNDR.SNPP.CRIS.20251223T0706.m06.g072.L1A.std.v04_04.G.251223114056.nc /vol2/snppPro/OPS/s4pm/snpp/stations/SN_V4_FW/run_algorithm/RUNNING.RUN_Snpp_Cris_L1b_Fsr.2025357070000/SNDR.SNPP.CRIS.20251223T0700.m06.g071.L1A.std.v04_04.G.251223114056.nc


Variables in this Dataset

sol_zen: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 180.0000000
long_name: solar zenith angle
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: solar_zenith_angle
units: degree
description: solar zenith angle at the center of the FOV
AIRS_HDF_name: solzen
origname: sol_zen
fullnamepath: /sol_zen
cal_mw_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: MW quality flags
coordinates: lon lat
_FillValue: -2147483647
flag_masks: 3, 3, 12, 12, 48, 48, 64, 128, 256, 512, 1024
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024
coverage_content_type: qualityInformation
description: per-observation L1B MW product quality
flag_meanings: quality_degraded quality_invalid rad_cal_qual_degraded rad_cal_qual_invalid spectral_cal_qual_degraded spectral_cal_qual_invalid imag_rad_anomaly lunar_intrusion l1a_missing_es ict_igm_outlier es_igm_spike_detect
origname: cal_mw_qualflag
fullnamepath: /cal_mw_qualflag
sat_att: Array of 32 bit Reals [atrack = 0..44][attitude = 0..2]
valid_range: -180.0000000, 180.0000000
long_name: satellite attitude
coordinates: subsat_lon subsat_lat attitude_lbl
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degree
description: 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.
origname: sat_att
fullnamepath: /sat_att
sat_range: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 100000.0000, 10000000.00
long_name: satellite range
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: m
description: line of sight distance between satellite and FOV center
origname: sat_range
fullnamepath: /sat_range
obs_time_utc: Array of 16 bit Unsigned integers [atrack = 0..44][xtrack = 0..29][utc_tuple = 0..7]
long_name: earth view UTC FOV midtime
coordinates: utc_tuple_lbl
_FillValue: 65535
coverage_content_type: referenceInformation
description: UTC earth view observation midtime for each FOV as an array of integers: year, month, day, hour, minute, second, millisec, microsec
origname: obs_time_utc
fullnamepath: /obs_time_utc
scan_mid_time: Array of 64 bit Reals [atrack = 0..44]
valid_range: -2934835217.0000000, 3376598410.0000000
long_name: midscan TAI93
coordinates: subsat_lon subsat_lat
_FillValue: 9.9692099683868690e+36
coverage_content_type: referenceInformation
standard_name: time
units: seconds since 1993-01-01 00:00
description: TAI93 at middle of earth scene scans
AIRS_HDF_name: nadirTAI
origname: scan_mid_time
fullnamepath: /scan_mid_time
rad_lw_qc: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0, 2
long_name: rad_lw QC
coordinates: lon lat
_FillValue: -1
flag_values: 0, 1, 2
coverage_content_type: qualityInformation
standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
description: rad_lw QC flag
flag_meanings: Best Good Do_Not_Use
origname: rad_lw_qc
fullnamepath: /rad_lw_qc
sol_azi: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 360.0000000
long_name: solar azimuth angle
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: solar_azimuth_angle
units: degree
description: solar azimuth angle at the center of the FOV (clockwise from North)
AIRS_HDF_name: solazi
origname: sol_azi
fullnamepath: /sol_azi
obs_time_tai93: Array of 64 bit Reals [atrack = 0..44][xtrack = 0..29]
valid_range: -2934835217.0000000, 3376598410.0000000
long_name: earth view TAI93 FOV midtime
_FillValue: 9.9692099683868690e+36
coverage_content_type: referenceInformation
standard_name: time
units: seconds since 1993-01-01 00:00
description: TAI93 earth view observation midtime for each FOV in seconds since 1993-01-01 00:00z
AIRS_HDF_name: Time
origname: obs_time_tai93
fullnamepath: /obs_time_tai93
lon: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: -180.0000000, 180.0000000
long_name: longitude
_FillValue: 9.969209968e+36
bounds: lon_bnds
coverage_content_type: referenceInformation
standard_name: longitude
units: degrees_east
description: longitude of FOV center
AIRS_HDF_name: Longitude
origname: lon
fullnamepath: /lon
sun_glint_dist: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 30000000.00
long_name: sun glint distance
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: m
description: Distance from the center of the calculated sun glint spot to the center of the spot. Note that there may not be a glint for cloudy or land cases and in ocean cases the glint can move based on wind conditions. Fill for night observations.
AIRS_HDF_name: sun_glint_distance
origname: sun_glint_dist
fullnamepath: /sun_glint_dist
cal_sw_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: SW quality flags
coordinates: lon lat
_FillValue: -2147483647
flag_masks: 3, 3, 12, 12, 48, 48, 64, 128, 256, 512, 1024
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024
coverage_content_type: qualityInformation
description: per-observation L1B SW product quality
flag_meanings: quality_degraded quality_invalid rad_cal_qual_degraded rad_cal_qual_invalid spectral_cal_qual_degraded spectral_cal_qual_invalid imag_rad_anomaly lunar_intrusion l1a_missing_es ict_igm_outlier es_igm_spike_detect
origname: cal_sw_qualflag
fullnamepath: /cal_sw_qualflag
sat_pos: Array of 32 bit Reals [atrack = 0..44][spatial = 0..2]
long_name: satellite position
coordinates: subsat_lon subsat_lat spatial_lbl
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: m
description: satellite ECR position at scan_mid_time
origname: sat_pos
fullnamepath: /sat_pos
asc_node_lon: 32 bit Real
valid_range: -180.0000000, 180.0000000
long_name: ascending node
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degrees_east
description: Longitude of the last ascending node of spacecraft orbit before time_coverage_end.
AIRS_HDF_name: eq_x_longitude
origname: asc_node_lon
fullnamepath: /asc_node_lon
asc_node_local_solar_time: 32 bit Real
valid_range: 0.000000000, 24.00000000
long_name: local apparent solar time at the ascending node
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: hours
description: local apparent solar time at the last ascending node before time_coverage_end in hours from midnight
origname: asc_node_local_solar_time
fullnamepath: /asc_node_local_solar_time
surf_alt_sdev: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 10000.00000
long_name: surface altitude standard deviation
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: m
description: standard deviation of surface altitude within the FOV
AIRS_HDF_name: topog_err
cell_methods: area: standard_deviation (beam-weighted)
origname: surf_alt_sdev
fullnamepath: /surf_alt_sdev
lat_bnds: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][fov_poly = 0..7]
valid_range: -90.00000000, 90.00000000
long_name: FOV boundary latitudes
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degrees_north
description: latitudes of points forming a polygon around the perimeter of the FOV
origname: lat_bnds
fullnamepath: /lat_bnds
sun_glint_lon: Array of 32 bit Reals [atrack = 0..44]
valid_range: -180.0000000, 180.0000000
long_name: sun glint longitude
coordinates: subsat_lon subsat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: longitude
units: degrees_east
description: sun glint spot longitude at scan_mid_time. Fill for night observations.
AIRS_HDF_name: glintlon
origname: sun_glint_lon
fullnamepath: /sun_glint_lon
utc_tuple_lbl: Array of Strings [utc_tuple = 0..7]
long_name: UTC date/time parts
coverage_content_type: auxiliaryInformation
description: names of the elements of UTC when it is expressed as an array of integers year,month,day,hour,minute,second,millisecond,microsecond
origname: utc_tuple_lbl
fullnamepath: /utc_tuple_lbl
attitude_lbl: Array of Strings [attitude = 0..2]
long_name: rotational direction
coverage_content_type: auxiliaryInformation
description: list of rotational directions (roll, pitch, yaw)
origname: attitude_lbl
fullnamepath: /attitude_lbl
asc_node_tai93: 64 bit Real
valid_range: -2934835217.0000000, 3376598410.0000000
long_name: ascending node time
_FillValue: 9.9692099683868690e+36
coverage_content_type: referenceInformation
units: seconds since 1993-01-01 00:00
description: TAI93 time of the last ascending node of spacecraft orbit before time_coverage_end.
AIRS_HDF_name: eq_x_tai
origname: asc_node_tai93
fullnamepath: /asc_node_tai93
rad_mw_qc: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0, 2
long_name: rad_mw QC
coordinates: lon lat
_FillValue: -1
flag_values: 0, 1, 2
coverage_content_type: qualityInformation
standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
description: rad_mw QC flag
flag_meanings: Best Good Do_Not_Use
origname: rad_mw_qc
fullnamepath: /rad_mw_qc
nedn_lw: Array of 32 bit Reals [fov = 0..8][wnum_lw = 0..716]
long_name: longwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: longwave noise equivalent differential radiance
origname: nedn_lw
fullnamepath: /nedn_lw
land_frac: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 1.000000000
long_name: land fraction
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: land_area_fraction
units: 1
description: land fraction over the FOV
AIRS_HDF_name: landFrac
cell_methods: area: mean (beam-weighted)
origname: land_frac
fullnamepath: /land_frac
sat_sol_azi: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 360.0000000
long_name: satellite solar azimuth
coordinates: subsat_lon subsat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degree
description: solar azimuth angle at the satellite (clockwise from North)
origname: sat_sol_azi
fullnamepath: /sat_sol_azi
solar_beta_angle: 32 bit Real
valid_range: -90.00000000, 90.00000000
long_name: beta angle
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degree
description: Beta angle for the spacecraft orbit, determining the percentage of the orbit that the spacecraft is in direct sunlight.
origname: solar_beta_angle
fullnamepath: /solar_beta_angle
lat: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: -90.00000000, 90.00000000
long_name: latitude
_FillValue: 9.969209968e+36
bounds: lat_bnds
coverage_content_type: referenceInformation
standard_name: latitude
units: degrees_north
description: latitude of FOV center
AIRS_HDF_name: Latitude
origname: lat
fullnamepath: /lat
subsat_lat: Array of 32 bit Reals [atrack = 0..44]
valid_range: -90.00000000, 90.00000000
long_name: sub-satellite latitude
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: latitude
units: degrees_north
description: sub-satellite latitude at scan_mid_time
AIRS_HDF_name: sat_lat
origname: subsat_lat
fullnamepath: /subsat_lat
surf_alt: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
ancillary_variables: surf_alt_sdev
valid_range: -500.0000000, 10000.00000
long_name: surface altitude
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: surface_altitude
units: m
description: mean surface altitude wrt earth model over the FOV
AIRS_HDF_name: topog
cell_methods: area: mean (beam-weighted)
origname: surf_alt
fullnamepath: /surf_alt
cal_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: L1B quality flags
coordinates: lon lat
_FillValue: -2147483647
flag_masks: 1, 2, 4, 8, 16, 32, 64, 128, 256
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256
coverage_content_type: qualityInformation
description: per-observation L1B product quality
flag_meanings: geo_quality_invalid inv_instrument_temp excess_temp_drift fce_detected fce_correction_fail neon_cal_quality_flag isa_degraded_flag l1a_bit_trim_mismatch l1a_eight_sec_missing
origname: cal_qualflag
fullnamepath: /cal_qualflag
mean_anom_wrt_equat: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 360.0000000
long_name: mean anomaly with respect to the equator
coordinates: subsat_lon subsat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degree
description: spacecraft mean anomaly measured with respect to the ascending node
origname: mean_anom_wrt_equat
fullnamepath: /mean_anom_wrt_equat
nedn_sw: Array of 32 bit Reals [fov = 0..8][wnum_sw = 0..636]
long_name: shortwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: shortwave noise equivalent differential radiance
origname: nedn_sw
fullnamepath: /nedn_sw
sat_azi: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 360.0000000
long_name: satellite azimuth angle
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: sensor_azimuth_angle
units: degree
description: satellite azimuth angle at the center of the FOV (clockwise from North)
AIRS_HDF_name: satazi
origname: sat_azi
fullnamepath: /sat_azi
lat_geoid: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: -90.00000000, 90.00000000
long_name: latitude (not terrain-corrected)
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: latitude
units: degrees_north
description: latitude of FOV center on the geoid (without terrain correction)
origname: lat_geoid
fullnamepath: /lat_geoid
instrument_state: Array of Bytes [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: instrument state
coordinates: lon lat
_FillValue: 255
flag_values: 0, 1, 2, 3
coverage_content_type: qualityInformation
description: 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.
AIRS_HDF_name: state
flag_meanings: Process Special Erroneous Missing
origname: instrument_state
fullnamepath: /instrument_state
spatial_lbl: Array of Strings [spatial = 0..2]
long_name: spatial direction
coverage_content_type: auxiliaryInformation
description: list of spatial directions (X, Y, Z)
origname: spatial_lbl
fullnamepath: /spatial_lbl
for_num: Array of Bytes [xtrack = 0..29]
valid_range: 1, 30
long_name: field of regard number
_FillValue: 255
coverage_content_type: auxiliaryInformation
units: 1
description: field of regard number
origname: for_num
fullnamepath: /for_num
sat_sol_zen: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 180.0000000
long_name: satellite solar zenith
coordinates: subsat_lon subsat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degree
description: solar zenith angle at the satellite
origname: sat_sol_zen
fullnamepath: /sat_sol_zen
cal_lw_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: LW quality flags
coordinates: lon lat
_FillValue: -2147483647
flag_masks: 3, 3, 12, 12, 48, 48, 64, 128, 256, 512, 1024
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024
coverage_content_type: qualityInformation
description: per-observation L1B LW product quality
flag_meanings: quality_degraded quality_invalid rad_cal_qual_degraded rad_cal_qual_invalid spectral_cal_qual_degraded spectral_cal_qual_invalid imag_rad_anomaly lunar_intrusion l1a_missing_es ict_igm_outlier es_igm_spike_detect
origname: cal_lw_qualflag
fullnamepath: /cal_lw_qualflag
rad_lw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][wnum_lw = 0..716]
ancillary_variables: rad_lw_qc
long_name: longwave real spectral radiance
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: physicalMeasurement
standard_name: toa_outgoing_radiance_per_unit_wavenumber
units: mW/(m2 sr cm-1)
description: longwave real spectral radiance
qc_pct_best: 0.0000000000000000
qc_pct_good: 0.0000000000000000
qc_pct_do_not_use: 100.00000000000000
origname: rad_lw
fullnamepath: /rad_lw
fov_obs_id: Array of Strings [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: observation id for FOV
coverage_content_type: referenceInformation
description: unique observation identifier for FOV: yyyymmddThhmm.aaSxx.f . Includes gran_id plus 2-digit along-track index (01-45), scene identifier (E=earth, H=hot, C=cold) , 2-digit cross-track index (01-30), and 1-digit FOV number (1-9).
origname: fov_obs_id
fullnamepath: /fov_obs_id
lon_geoid: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: -180.0000000, 180.0000000
long_name: longitude (not terrain-corrected)
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: longitude
units: degrees_east
description: longitude of FOV center on the geoid (without terrain correction)
origname: lon_geoid
fullnamepath: /lon_geoid
scan_sweep_dir: Array of Bytes [xtrack = 0..29]
valid_range: 0, 1
long_name: sweep direction of FOVs within a scan
_FillValue: 255
flag_values: 0, 1
coverage_content_type: auxiliaryInformation
description: sweep direction of FOVs within a scan
flag_meanings: forward reverse
origname: scan_sweep_dir
fullnamepath: /scan_sweep_dir
rad_mw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][wnum_mw = 0..868]
ancillary_variables: rad_mw_qc
long_name: midwave real spectral radiance
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: physicalMeasurement
standard_name: toa_outgoing_radiance_per_unit_wavenumber
units: mW/(m2 sr cm-1)
description: midwave real spectral radiance
qc_pct_best: 0.0000000000000000
qc_pct_good: 0.0000000000000000
qc_pct_do_not_use: 100.00000000000000
origname: rad_mw
fullnamepath: /rad_mw
obs_id: Array of Strings [atrack = 0..44][xtrack = 0..29]
long_name: observation id for FOR
coverage_content_type: referenceInformation
description: unique observation identifier: yyyymmddThhmm.aaSxx. Includes gran_id plus 2-digit along-track index (01-45), scene identifier (E=earth, H=hot, C=cold) and 2-digit cross-track index (01-30).
origname: obs_id
fullnamepath: /obs_id
view_ang: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 180.0000000
long_name: view angle
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: sensor_view_angle
units: degree
description: Magnitude of off-nadir pointing angle. Positive value relative to nadir being zero.
AIRS_HDF_name: scanang
origname: view_ang
fullnamepath: /view_ang
rad_sw_qc: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0, 2
long_name: rad_sw QC
coordinates: lon lat
_FillValue: -1
flag_values: 0, 1, 2
coverage_content_type: qualityInformation
standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
description: rad_sw QC flag
flag_meanings: Best Good Do_Not_Use
origname: rad_sw_qc
fullnamepath: /rad_sw_qc
local_solar_time: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 24.00000000
long_name: local apparent solar time
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: hours
description: local apparent solar time in hours from midnight
origname: local_solar_time
fullnamepath: /local_solar_time
lon_bnds: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][fov_poly = 0..7]
valid_range: -180.0000000, 180.0000000
long_name: FOV boundary longitudes
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: degrees_east
description: longitudes of points forming a polygon around the perimeter of the FOV
origname: lon_bnds
fullnamepath: /lon_bnds
sat_zen: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
valid_range: 0.000000000, 180.0000000
long_name: satellite zenith angle
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: sensor_zenith_angle
units: degree
description: satellite zenith angle at the center of the FOV
AIRS_HDF_name: satzen
origname: sat_zen
fullnamepath: /sat_zen
fov_num: Array of Bytes [fov = 0..8]
valid_range: 1, 9
long_name: field of view number
_FillValue: 255
coverage_content_type: auxiliaryInformation
units: 1
description: field of view number
origname: fov_num
fullnamepath: /fov_num
aux_ict_radmod_ict_baffle_emiss_mw: 32 bit Real
long_name: midwave ICT baffle emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model ICT Baffle mean midwave emissivity
origname: ict_radmod_ict_baffle_emiss_mw
fullnamepath: /aux/ict_radmod_ict_baffle_emiss_mw
aux_sat_sol_azi_wrt_sc: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 360.0000000
long_name: Satellite solar azimuth relative to spacecraft
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: degree
description: Solar azimuth angle at the satellite (clockwise from spacecraft's ECI heading)
origname: sat_sol_azi_wrt_sc
fullnamepath: /aux/sat_sol_azi_wrt_sc
coordinates: aux_subsat_lon aux_subsat_lat
aux_ru_ict_refl_meas_temp: 32 bit Real
long_name: measured temperature uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: radiometric uncertainty parameter 3-sigma uncertainty in measured reflected temperature
origname: ru_ict_refl_meas_temp
fullnamepath: /aux/ru_ict_refl_meas_temp
aux_rad_imag_lw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][wnum_lw = 0..716]
long_name: longwave imaginary spectral radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
standard_name: toa_outgoing_radiance_per_unit_wavenumber
units: mW/(m2 sr cm-1)
description: longwave imaginary spectral radiance
origname: rad_imag_lw
fullnamepath: /aux/rad_imag_lw
coordinates: aux_lon aux_lat
aux_ict_moving_avg_width_sw: Array of 16 bit Integers [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
long_name: shortwave ICT moving average size
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave ICT moving average size
origname: ict_moving_avg_width_sw
fullnamepath: /aux/ict_moving_avg_width_sw
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_radmod_vf_space: 32 bit Real
long_name: space viewfactor
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model fractional view factor Space
origname: ict_radmod_vf_space
fullnamepath: /aux/ict_radmod_vf_space
aux_ict_real_mean_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave mean ICT real raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave mean ICT raw spectra real component
origname: ict_real_mean_sw
fullnamepath: /aux/ict_real_mean_sw
aux_resp_sdev_mag_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_lw = 0..716]
long_name: longwave std dev magnitude responsivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1 / (mW/(m2 sr cm-1))
description: longwave granule std dev of magnitude responsivity
origname: resp_sdev_mag_lw
fullnamepath: /aux/resp_sdev_mag_lw
aux_resp_sdev_mag_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_mw = 0..868]
long_name: midwave std dev magnitude responsivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1 / (mW/(m2 sr cm-1))
description: midwave granule std dev of magnitude responsivity
origname: resp_sdev_mag_mw
fullnamepath: /aux/resp_sdev_mag_mw
aux_earth_max_igm_val_lw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: longwave Earth view maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: longwave Earth view max abs raw IGM value including fixed DC offset
origname: earth_max_igm_val_lw
fullnamepath: /aux/earth_max_igm_val_lw
coordinates: aux_lon aux_lat
aux_space_max_igm_loc_lw: Array of 16 bit Integers [aux_sweep = 0..1][fov = 0..8]
long_name: longwave space view maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for granule mean longwave space view max abs raw IGM location including fixed DC offset
origname: space_max_igm_loc_lw
fullnamepath: /aux/space_max_igm_loc_lw
aux_cooler_stage2_temp: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 1000.000000
long_name: cooler stage 2 temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: passive cooler stage 2 of 4 temperature
origname: cooler_stage2_temp
fullnamepath: /aux/cooler_stage2_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_resp_sdev_mag_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave std dev magnitude responsivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1 / (mW/(m2 sr cm-1))
description: shortwave granule std dev of magnitude responsivity
origname: resp_sdev_mag_sw
fullnamepath: /aux/resp_sdev_mag_sw
aux_space_real_mean_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_lw = 0..716]
long_name: longwave mean space view real raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: longwave mean space view raw spectra real component
origname: space_real_mean_lw
fullnamepath: /aux/space_real_mean_lw
aux_nedn_highres_lw: Array of 32 bit Reals [fov = 0..8][wnum_lw = 0..716]
long_name: high spectral resolution longwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: high spectral resolution longwave noise equivalent differential radiance
origname: nedn_highres_lw
fullnamepath: /aux/nedn_highres_lw
aux_isa_laser_wlen: 64 bit Real
valid_range: 695.00000000000000, 850.00000000000000
long_name: ISA matrix metrology laser half-wavelengths
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: nm
description: ISA matrix metrology laser half-wavelengths
origname: isa_laser_wlen
fullnamepath: /aux/isa_laser_wlen
aux_ssm_baffle_corr_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: ICT model, scan baffle temperature correction
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: ICT radiometric model, modelled SSM baffle orbital offset
origname: ssm_baffle_corr_temp
fullnamepath: /aux/ssm_baffle_corr_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_imag_mean_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_mw = 0..868]
long_name: midwave mean ICT imag raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: midwave mean ICT raw spectra imaginary component
origname: ict_imag_mean_mw
fullnamepath: /aux/ict_imag_mean_mw
aux_moon_angular_dist: Array of 32 bit Reals [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
valid_range: 0.000000000, 180.0000000
long_name: Angular distance from space view to moon
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: degree
description: Angle between the sensor's space view line of sight vector and a vector directed at the moon's center of mass
origname: moon_angular_dist
fullnamepath: /aux/moon_angular_dist
coordinates: aux_subsat_lon aux_subsat_lat
aux_nonlin_a2_mw: Array of 32 bit Reals [fov = 0..8]
long_name: midwave nonlinearity coefficient
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1/V
description: midwave quadratic nonlinearity correction coefficient
origname: nonlin_a2_mw
fullnamepath: /aux/nonlin_a2_mw
aux_space_max_igm_loc_sw: Array of 16 bit Integers [aux_sweep = 0..1][fov = 0..8]
long_name: shortwave space view maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for granule mean shortwave space view max abs raw IGM location including fixed DC offset
origname: space_max_igm_loc_sw
fullnamepath: /aux/space_max_igm_loc_sw
aux_nedn_lowres_lw: Array of 32 bit Reals [fov = 0..8][wnum_lw = 0..716]
long_name: low spectral resolution longwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: low spectral resolution longwave noise equivalent differential radiance
origname: nedn_lowres_lw
fullnamepath: /aux/nedn_lowres_lw
aux_pga_gain_mw: Array of 64 bit Reals [fov = 0..8]
long_name: midwave PGA gain
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
units: 1
description: midwave detector channel PGA electrical gain
origname: pga_gain_mw
fullnamepath: /aux/pga_gain_mw
aux_earth_max_igm_loc_sw: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: shortwave Earth view maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for shortwave Earth view max abs raw IGM location including fixed DC offset
origname: earth_max_igm_loc_sw
fullnamepath: /aux/earth_max_igm_loc_sw
coordinates: aux_lon aux_lat
aux_resp_mean_mag_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave mean magnitude responsivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1 / (mW/(m2 sr cm-1))
description: shortwave granule mean of magnitude responsivity
origname: resp_mean_mag_sw
fullnamepath: /aux/resp_mean_mag_sw
aux_ict_radmod_ssm_baffle_emiss_sw: 32 bit Real
long_name: shortwave scan baffle emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Scan Baffle mean midwave emissivity
origname: ict_radmod_ssm_baffle_emiss_sw
fullnamepath: /aux/ict_radmod_ssm_baffle_emiss_sw
aux_ict_radmod_scan_mirror_emiss_sw: 32 bit Real
long_name: shortwave scan mirror emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Scan Mirror mean shortwave emissivity
origname: ict_radmod_scan_mirror_emiss_sw
fullnamepath: /aux/ict_radmod_scan_mirror_emiss_sw
aux_measured_laser_wlen_raw: Array of 64 bit Reals [aux_neon_sample = 0..29]
valid_range: 695.00000000000000, 850.00000000000000
long_name: all derived metrology laser half-wavelengths
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: nm
description: all derived metrology laser half-wavelengths prior to qc and averaging
origname: measured_laser_wlen_raw
fullnamepath: /aux/measured_laser_wlen_raw
aux_neon_wlen: 64 bit Real
long_name: neon laser half-wavelengths
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: nm
description: neon laser half-wavelengths
origname: neon_wlen
fullnamepath: /aux/neon_wlen
aux_ict_radmod_vf_ssm_baffle: 32 bit Real
long_name: scan baffle viewfactor
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model fractional view factor Scan Baffle
origname: ict_radmod_vf_ssm_baffle
fullnamepath: /aux/ict_radmod_vf_ssm_baffle
aux_space_real_mean_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_mw = 0..868]
long_name: midwave mean space view real raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: midwave mean space view raw spectra real component
origname: space_real_mean_mw
fullnamepath: /aux/space_real_mean_mw
aux_earth_max_igm_val_sw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: shortwave Earth view maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave Earth view max abs raw IGM value including fixed DC offset
origname: earth_max_igm_val_sw
fullnamepath: /aux/earth_max_igm_val_sw
coordinates: aux_lon aux_lat
aux_ict_max_igm_val_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: shortwave ICT maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: granule mean shortwave ICT max abs raw IGM value including fixed DC offset
origname: ict_max_igm_val_sw
fullnamepath: /aux/ict_max_igm_val_sw
aux_ict_imag_mean_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave mean ICT imag raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave mean ICT raw spectra imaginary component
origname: ict_imag_mean_sw
fullnamepath: /aux/ict_imag_mean_sw
aux_ict_radmod_oma_struct_emiss_sw: 32 bit Real
long_name: shortwave OMA and frame emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model OMA and frame mean shortwave emissivity
origname: ict_radmod_oma_struct_emiss_sw
fullnamepath: /aux/ict_radmod_oma_struct_emiss_sw
aux_earth_vdc_mw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: midwave Earth view DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: midwave Earth view DC level
origname: earth_vdc_mw
fullnamepath: /aux/earth_vdc_mw
coordinates: aux_lon aux_lat
aux_cooler_stage3_temp: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 1000.000000
long_name: cooler stage 3 temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: passive cooler stage 3 of 4 temperature
origname: cooler_stage3_temp
fullnamepath: /aux/cooler_stage3_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_max_igm_loc_lw: Array of 16 bit Integers [aux_sweep = 0..1][fov = 0..8]
long_name: longwave ICT maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for granule mean longwave ICT max abs raw IGM location including fixed DC offset
origname: ict_max_igm_loc_lw
fullnamepath: /aux/ict_max_igm_loc_lw
aux_ru_pol_angle: 32 bit Real
long_name: polarization angle uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: radiometric uncertainty parameter 3-sigma uncertainty in sensor polarization angle
origname: ru_pol_angle
fullnamepath: /aux/ru_pol_angle
aux_ru_a2_sw: Array of 32 bit Reals [fov = 0..8]
long_name: shortwave nonlinearity coefficient uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1/V
description: radiometric uncertainty parameter 3-sigma uncertainty in shortwave quadratic nonlinearity correction coefficient
origname: ru_a2_sw
fullnamepath: /aux/ru_a2_sw
aux_earth_vdc_lw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: longwave Earth view DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: longwave Earth view DC level
origname: earth_vdc_lw
fullnamepath: /aux/earth_vdc_lw
coordinates: aux_lon aux_lat
aux_ict_max_igm_loc_sw: Array of 16 bit Integers [aux_sweep = 0..1][fov = 0..8]
long_name: shortwave ICT maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for granule mean shortwave ICT max abs raw IGM location including fixed DC offset
origname: ict_max_igm_loc_sw
fullnamepath: /aux/ict_max_igm_loc_sw
aux_spectral_fold_point_mw: 16 bit Integer
long_name: midwave spectral folding index
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for unfolding uncalibrated midwave spectrum into ascending wavenumbers
origname: spectral_fold_point_mw
fullnamepath: /aux/spectral_fold_point_mw
aux_space_moving_avg_width_lw: Array of 16 bit Integers [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
long_name: longwave space view moving average size
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: longwave space view moving average size
origname: space_moving_avg_width_lw
fullnamepath: /aux/space_moving_avg_width_lw
coordinates: aux_subsat_lon aux_subsat_lat
aux_space_real_mean_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave mean space view real raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave mean space view raw spectra real component
origname: space_real_mean_sw
fullnamepath: /aux/space_real_mean_sw
aux_ict_real_mean_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_mw = 0..868]
long_name: midwave mean ICT real raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: midwave mean ICT raw spectra real component
origname: ict_real_mean_mw
fullnamepath: /aux/ict_real_mean_mw
aux_pga_gain_sw: Array of 64 bit Reals [fov = 0..8]
long_name: shortwave PGA gain
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave detector channel PGA electrical gain
origname: pga_gain_sw
fullnamepath: /aux/pga_gain_sw
aux_earth_max_igm_loc_mw: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: midwave Earth view maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for midwave Earth view max abs raw IGM location including fixed DC offset
origname: earth_max_igm_loc_mw
fullnamepath: /aux/earth_max_igm_loc_mw
coordinates: aux_lon aux_lat
aux_ict_radmod_ict_emiss_mw: Array of 32 bit Reals [wnum_mw = 0..868]
long_name: midwave ICT emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model ICT midwave emissivity
origname: ict_radmod_ict_emiss_mw
fullnamepath: /aux/ict_radmod_ict_emiss_mw
aux_ict_prt2_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: ICT PRT2 temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: ICT PRT2 temperature
origname: ict_prt2_temp
fullnamepath: /aux/ict_prt2_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_nedn_highres_sw: Array of 32 bit Reals [fov = 0..8][wnum_sw = 0..636]
long_name: high spectral resolution shortwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: high spectral resolution shortwave noise equivalent differential radiance
origname: nedn_highres_sw
fullnamepath: /aux/nedn_highres_sw
aux_polcorr_pol_angle_mw: Array of 32 bit Reals [fov = 0..8][wnum_mw = 0..868]
long_name: midwave sensor polarization angle
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: polarization correction parameter midwave sensor polarization angle
origname: polcorr_pol_angle_mw
fullnamepath: /aux/polcorr_pol_angle_mw
aux_ict_vdc_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: shortwave ICT DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: granule mean shortwave ICT DC level
origname: ict_vdc_sw
fullnamepath: /aux/ict_vdc_sw
aux_earth_max_igm_loc_lw: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: longwave Earth view maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for longwave Earth view max abs raw IGM location including fixed DC offset
origname: earth_max_igm_loc_lw
fullnamepath: /aux/earth_max_igm_loc_lw
coordinates: aux_lon aux_lat
aux_ict_imag_mean_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_lw = 0..716]
long_name: longwave mean ICT imag raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: longwave mean ICT raw spectra imaginary component
origname: ict_imag_mean_lw
fullnamepath: /aux/ict_imag_mean_lw
aux_moon_angular_radius: 32 bit Real
valid_range: 0.000000000, 0.3000000119
long_name: Angular radius of moon
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: degree
description: Angle between two vectors originating at the spacecraft: one directed at the moon's center of mass, and one directed at the moon's limb; provided as a single mean value for the granule
origname: moon_angular_radius
fullnamepath: /aux/moon_angular_radius
aux_ict_radmod_vf_bs_cold: 32 bit Real
long_name: cold beamsplitter viewfactor
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model fractional view factor beamsplitter cold
origname: ict_radmod_vf_bs_cold
fullnamepath: /aux/ict_radmod_vf_bs_cold
aux_rad_imag_sw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave imaginary spectral radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
standard_name: toa_outgoing_radiance_per_unit_wavenumber
units: mW/(m2 sr cm-1)
description: shortwave imaginary spectral radiance
origname: rad_imag_sw
fullnamepath: /aux/rad_imag_sw
coordinates: aux_lon aux_lat
aux_ict_moving_avg_width_mw: Array of 16 bit Integers [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
long_name: midwave ICT moving average size
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: midwave ICT moving average size
origname: ict_moving_avg_width_mw
fullnamepath: /aux/ict_moving_avg_width_mw
coordinates: aux_subsat_lon aux_subsat_lat
aux_spectral_fold_point_sw: 16 bit Integer
long_name: shortwave spectral folding index
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for unfolding uncalibrated shortwave spectrum into ascending wavenumbers
origname: spectral_fold_point_sw
fullnamepath: /aux/spectral_fold_point_sw
aux_ict_vdc_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: midwave ICT DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: granule mean midwave ICT DC level
origname: ict_vdc_mw
fullnamepath: /aux/ict_vdc_mw
aux_ict_radmod_earth_temp: 32 bit Real
long_name: Earth temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: ICT radiometric model Earth mean temperature
origname: ict_radmod_earth_temp
fullnamepath: /aux/ict_radmod_earth_temp
aux_polcorr_pol_angle_sw: Array of 32 bit Reals [fov = 0..8][wnum_sw = 0..636]
long_name: shortwave sensor polarization angle
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: polarization correction parameter shortwave sensor polarization angle
origname: polcorr_pol_angle_sw
fullnamepath: /aux/polcorr_pol_angle_sw
aux_space_max_igm_val_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: shortwave space view maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: granule mean shortwave space view max abs raw IGM value including fixed DC offset
origname: space_max_igm_val_sw
fullnamepath: /aux/space_max_igm_val_sw
aux_ict_max_igm_val_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: midwave ICT maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: granule mean midwave ICT max abs raw IGM value including fixed DC offset
origname: ict_max_igm_val_mw
fullnamepath: /aux/ict_max_igm_val_mw
aux_ict_radmod_ict_emiss_sw: Array of 32 bit Reals [wnum_sw = 0..636]
long_name: shortwave ICT emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model ICT shortwave emissivity
origname: ict_radmod_ict_emiss_sw
fullnamepath: /aux/ict_radmod_ict_emiss_sw
aux_ict_radmod_vf_ict_baffle: 32 bit Real
long_name: ICT baffle viewfactor
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model fractional view factor ICT Baffle
origname: ict_radmod_vf_ict_baffle
fullnamepath: /aux/ict_radmod_vf_ict_baffle
aux_resp_mean_mag_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_lw = 0..716]
long_name: longwave mean magnitude responsivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1 / (mW/(m2 sr cm-1))
description: longwave granule mean of magnitude responsivity
origname: resp_mean_mag_lw
fullnamepath: /aux/resp_mean_mag_lw
aux_resp_mean_mag_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_mw = 0..868]
long_name: midwave mean magnitude responsivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1 / (mW/(m2 sr cm-1))
description: midwave granule mean of magnitude responsivity
origname: resp_mean_mag_mw
fullnamepath: /aux/resp_mean_mag_mw
aux_doppler_vel_earth: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: Doppler velocity due to earth rotation
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: m s-1
description: Component of relative velocity between observation and satellite along the sensor line of sight; positive when observation is moving toward satellite; accounts for earth rotation, but ignores satellite motion
origname: doppler_vel_earth
fullnamepath: /aux/doppler_vel_earth
coordinates: aux_lon aux_lat
aux_polcorr_ssm_angle_ict: Array of 32 bit Reals [fov = 0..8]
long_name: effective ICT view angle
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: polarization correction parameter ICT view angle
origname: polcorr_ssm_angle_ict
fullnamepath: /aux/polcorr_ssm_angle_ict
aux_ict_vdc_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: longwave ICT DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: granule mean longwave ICT DC level
origname: ict_vdc_lw
fullnamepath: /aux/ict_vdc_lw
aux_cooler_stage4_temp: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 1000.000000
long_name: cooler stage 4 temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: passive cooler stage 4 of 4 temperature
origname: cooler_stage4_temp
fullnamepath: /aux/cooler_stage4_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_nonlin_a2_lw: Array of 32 bit Reals [fov = 0..8]
long_name: longwave nonlinearity coefficient
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1/V
description: longwave quadratic nonlinearity correction coefficient
origname: nonlin_a2_lw
fullnamepath: /aux/nonlin_a2_lw
aux_polcorr_pol_angle_lw: Array of 32 bit Reals [fov = 0..8][wnum_lw = 0..716]
long_name: longwave sensor polarization angle
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: polarization correction parameter longwave sensor polarization angle
origname: polcorr_pol_angle_lw
fullnamepath: /aux/polcorr_pol_angle_lw
aux_space_moving_avg_width_mw: Array of 16 bit Integers [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
long_name: midwave space view moving average size
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: midwave space view moving average size
origname: space_moving_avg_width_mw
fullnamepath: /aux/space_moving_avg_width_mw
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_radmod_vf_bs_warm: 32 bit Real
long_name: warm beamsplitter viewfactor
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model fractional view factor beamsplitter warm
origname: ict_radmod_vf_bs_warm
fullnamepath: /aux/ict_radmod_vf_bs_warm
aux_polcorr_ssm_angle_es: Array of 32 bit Reals [xtrack = 0..29][fov = 0..8]
long_name: effective ES view angle
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: polarization correction parameter ES view angles
origname: polcorr_ssm_angle_es
fullnamepath: /aux/polcorr_ssm_angle_es
aux_ict_radmod_earth_emiss_mw: 32 bit Real
long_name: midwave Earth emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Earth mean midwave emissivity
origname: ict_radmod_earth_emiss_mw
fullnamepath: /aux/ict_radmod_earth_emiss_mw
aux_polcorr_prpt_sw: Array of 32 bit Reals [fov = 0..8][wnum_sw = 0..636]
long_name: shortwave combined polarization
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: polarization correction parameter shortwave combined SSM and sensor polarization
origname: polcorr_prpt_sw
fullnamepath: /aux/polcorr_prpt_sw
aux_ict_radmod_ict_baffle_emiss_sw: 32 bit Real
long_name: shortwave ICT baffle emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model ICT Baffle mean shortwave emissivity
origname: ict_radmod_ict_baffle_emiss_sw
fullnamepath: /aux/ict_radmod_ict_baffle_emiss_sw
aux_ict_prt1_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: ICT PRT1 temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: ICT PRT1 temperature
origname: ict_prt1_temp
fullnamepath: /aux/ict_prt1_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_oma_struct_temp_2: Array of 32 bit Reals [atrack = 0..44]
long_name: OMA temperature 2
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: OMA structure temperature 2
origname: oma_struct_temp_2
fullnamepath: /aux/oma_struct_temp_2
coordinates: aux_subsat_lon aux_subsat_lat
aux_earth_max_igm_val_mw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: midwave Earth view maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: midwave Earth view max abs raw IGM value including fixed DC offset
origname: earth_max_igm_val_mw
fullnamepath: /aux/earth_max_igm_val_mw
coordinates: aux_lon aux_lat
aux_nedn_highres_mw: Array of 32 bit Reals [fov = 0..8][wnum_mw = 0..868]
long_name: high spectral resolution midwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: high spectral resolution midwave noise equivalent differential radiance
origname: nedn_highres_mw
fullnamepath: /aux/nedn_highres_mw
aux_ru_a2_lw: Array of 32 bit Reals [fov = 0..8]
long_name: longwave nonlinearity coefficient uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1/V
description: radiometric uncertainty parameter 3-sigma uncertainty in longwave quadratic nonlinearity correction coefficient
origname: ru_a2_lw
fullnamepath: /aux/ru_a2_lw
aux_polcorr_prpt_lw: Array of 32 bit Reals [fov = 0..8][wnum_lw = 0..716]
long_name: longwave combined polarization
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: polarization correction parameter longwave combined SSM and sensor polarization
origname: polcorr_prpt_lw
fullnamepath: /aux/polcorr_prpt_lw
aux_ict_max_igm_loc_mw: Array of 16 bit Integers [aux_sweep = 0..1][fov = 0..8]
long_name: midwave ICT maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for granule mean midwave ICT max abs raw IGM location including fixed DC offset
origname: ict_max_igm_loc_mw
fullnamepath: /aux/ict_max_igm_loc_mw
aux_space_vdc_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: longwave space view DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: granule mean longwave space view DC level
origname: space_vdc_lw
fullnamepath: /aux/space_vdc_lw
aux_space_max_igm_val_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: longwave space view maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: granule mean longwave space view max abs raw IGM value including fixed DC offset
origname: space_max_igm_val_lw
fullnamepath: /aux/space_max_igm_val_lw
aux_ict_radmod_vf_oma_struct: 32 bit Real
long_name: OMA and frame viewfactor
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model fractional view factor OMA and Frame
origname: ict_radmod_vf_oma_struct
fullnamepath: /aux/ict_radmod_vf_oma_struct
aux_ru_ict_temp: 32 bit Real
long_name: ICT temperature uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: radiometric uncertainty parameter 3-sigma uncertainty in ICT temperature
origname: ru_ict_temp
fullnamepath: /aux/ru_ict_temp
aux_max_opd_sw: 64 bit Real
long_name: maximum shortwave optical path difference
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: cm
description: maximum shortwave optical path difference
origname: max_opd_sw
fullnamepath: /aux/max_opd_sw
aux_geo_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: geolocation quality flags
_FillValue: -2147483647
flag_masks: 1, 2, 12, 12, 12, 16, 32, 64
flag_values: 1, 2, 4, 8, 12, 16, 32, 64
coverage_content_type: qualityInformation
description: per-observation L1B geolocation quality. If the misc_known_issue flag is set, refer to the Product Users' Guide for details.
flag_meanings: obs_time_missing servo_error_missing scd_gap_sm scd_gap_md scd_gap_lg stale_utcpole view_off_earth misc_known_issue
origname: geo_qualflag
fullnamepath: /aux/geo_qualflag
coordinates: aux_lon aux_lat
aux_space_imag_mean_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_sw = 0..636]
long_name: shortwave mean space view imag raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave mean space view raw spectra imaginary component
origname: space_imag_mean_sw
fullnamepath: /aux/space_imag_mean_sw
aux_space_imag_mean_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_lw = 0..716]
long_name: longwave mean space view imag raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: longwave mean space view raw spectra imaginary component
origname: space_imag_mean_lw
fullnamepath: /aux/space_imag_mean_lw
aux_space_max_igm_loc_mw: Array of 16 bit Integers [aux_sweep = 0..1][fov = 0..8]
long_name: midwave space view maximum IGM location
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for granule mean midwave space view max abs raw IGM location including fixed DC offset
origname: space_max_igm_loc_mw
fullnamepath: /aux/space_max_igm_loc_mw
aux_doppler_vel: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: Doppler velocity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: m s-1
description: Component of relative velocity between observation and satellite along the sensor line of sight; positive when observation is moving toward satellite; accounts for both earth rotation and satellite motion
origname: doppler_vel
fullnamepath: /aux/doppler_vel
coordinates: aux_lon aux_lat
aux_space_imag_mean_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_mw = 0..868]
long_name: midwave mean space view imag raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: midwave mean space view raw spectra imaginary component
origname: space_imag_mean_mw
fullnamepath: /aux/space_imag_mean_mw
aux_cooler_stage1_temp: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 1000.000000
long_name: cooler stage 1 temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: passive cooler stage 1 of 4 temperature
origname: cooler_stage1_temp
fullnamepath: /aux/cooler_stage1_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_polcorr_prpt_mw: Array of 32 bit Reals [fov = 0..8][wnum_mw = 0..868]
long_name: midwave combined polarization
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: polarization correction parameter midwave combined SSM and sensor polarization
origname: polcorr_prpt_mw
fullnamepath: /aux/polcorr_prpt_mw
aux_ssm_baffle_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: SSM scan mirror baffle temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: SSM scan mirror baffle temperature including modelled orbital offset
origname: ssm_baffle_temp
fullnamepath: /aux/ssm_baffle_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_cal_view_sweep_dir: Array of Bytes [aux_sweep = 0..1]
valid_range: 0, 1
long_name: sweep direction of FOVs for ICT, DS, and resp
_FillValue: 255
flag_values: 0, 1
coverage_content_type: auxiliaryInformation
units: 1
description: sweep direction of FOVs for ICT, DS, and resp
flag_meanings: forward reverse
origname: cal_view_sweep_dir
fullnamepath: /aux/cal_view_sweep_dir
aux_ict_radmod_ssm_baffle_emiss_lw: 32 bit Real
long_name: longwave scan baffle emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Scan Baffle mean longwave emissivity
origname: ict_radmod_ssm_baffle_emiss_lw
fullnamepath: /aux/ict_radmod_ssm_baffle_emiss_lw
aux_ict_radmod_ict_emiss_lw: Array of 32 bit Reals [wnum_lw = 0..716]
long_name: longwave ICT emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model ICT longwave emissivity
origname: ict_radmod_ict_emiss_lw
fullnamepath: /aux/ict_radmod_ict_emiss_lw
aux_ssm_scan_mirror_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: scan mirror temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: SSM scan mirror temperature
origname: ssm_scan_mirror_temp
fullnamepath: /aux/ssm_scan_mirror_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_ru_ict_emiss: 32 bit Real
long_name: ICT emissivity uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: radiometric uncertainty parameter 3-sigma uncertainty in ICT emissivity
origname: ru_ict_emiss
fullnamepath: /aux/ru_ict_emiss
aux_ict_radmod_ssm_baffle_emiss_mw: 32 bit Real
long_name: midwave scan baffle emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Scan Baffle mean midwave emissivity
origname: ict_radmod_ssm_baffle_emiss_mw
fullnamepath: /aux/ict_radmod_ssm_baffle_emiss_mw
aux_oma_struct_temp_1: Array of 32 bit Reals [atrack = 0..44]
long_name: OMA temperature 1
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: OMA structure temperature 1
origname: oma_struct_temp_1
fullnamepath: /aux/oma_struct_temp_1
coordinates: aux_subsat_lon aux_subsat_lat
aux_space_moving_avg_width_sw: Array of 16 bit Integers [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
long_name: shortwave space view moving average size
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: shortwave space view moving average size
origname: space_moving_avg_width_sw
fullnamepath: /aux/space_moving_avg_width_sw
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_radmod_oma_struct_emiss_lw: 32 bit Real
long_name: longwave OMA and frame emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model OMA and frame mean longwave emissivity
origname: ict_radmod_oma_struct_emiss_lw
fullnamepath: /aux/ict_radmod_oma_struct_emiss_lw
aux_ict_radmod_ict_baffle_emiss_lw: 32 bit Real
long_name: longwave ICT baffle emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model ICT Baffle mean longwave emissivity
origname: ict_radmod_ict_baffle_emiss_lw
fullnamepath: /aux/ict_radmod_ict_baffle_emiss_lw
aux_rad_imag_mw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][wnum_mw = 0..868]
long_name: midwave imaginary spectral radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
standard_name: toa_outgoing_radiance_per_unit_wavenumber
units: mW/(m2 sr cm-1)
description: midwave imaginary spectral radiance
origname: rad_imag_mw
fullnamepath: /aux/rad_imag_mw
coordinates: aux_lon aux_lat
aux_pga_gain_lw: Array of 64 bit Reals [fov = 0..8]
long_name: longwave PGA gain
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
units: 1
description: longwave detector channel PGA electrical gain
origname: pga_gain_lw
fullnamepath: /aux/pga_gain_lw
aux_space_vdc_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: midwave space view DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: granule mean midwave space view DC level
origname: space_vdc_mw
fullnamepath: /aux/space_vdc_mw
aux_max_opd_mw: 64 bit Real
long_name: maximum midwave optical path difference
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: cm
description: maximum midwave optical path difference
origname: max_opd_mw
fullnamepath: /aux/max_opd_mw
aux_ru_ict_refl_model_temp: 32 bit Real
long_name: modeled temperature uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: radiometric uncertainty parameter 3-sigma uncertainty in modeled reflected temperature
origname: ru_ict_refl_model_temp
fullnamepath: /aux/ru_ict_refl_model_temp
aux_laser_diode_temp: Array of 32 bit Reals [atrack = 0..44]
valid_range: 0.000000000, 1000.000000
long_name: metrology laser diode temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: metrology laser diode temperature
origname: laser_diode_temp
fullnamepath: /aux/laser_diode_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_moving_avg_width_lw: Array of 16 bit Integers [atrack = 0..44][aux_sweep = 0..1][fov = 0..8]
long_name: longwave ICT moving average size
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: longwave ICT moving average size
origname: ict_moving_avg_width_lw
fullnamepath: /aux/ict_moving_avg_width_lw
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_real_mean_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8][wnum_lw = 0..716]
long_name: longwave mean ICT real raw spectra
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: longwave mean ICT raw spectra real component
origname: ict_real_mean_lw
fullnamepath: /aux/ict_real_mean_lw
aux_max_opd_lw: 64 bit Real
long_name: maximum longwave optical path difference
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: cm
description: maximum longwave optical path difference
origname: max_opd_lw
fullnamepath: /aux/max_opd_lw
aux_space_vdc_sw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: shortwave space view DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: granule mean shortwave space view DC level
origname: space_vdc_sw
fullnamepath: /aux/space_vdc_sw
aux_ict_radmod_scan_mirror_emiss_mw: 32 bit Real
long_name: midwave scan mirror emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Scan Mirror mean midwave emissivity
origname: ict_radmod_scan_mirror_emiss_mw
fullnamepath: /aux/ict_radmod_scan_mirror_emiss_mw
aux_earth_vdc_sw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: shortwave Earth view DC level
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: V
description: shortwave Earth view DC level
origname: earth_vdc_sw
fullnamepath: /aux/earth_vdc_sw
coordinates: aux_lon aux_lat
aux_spectral_fold_point_lw: 16 bit Integer
long_name: longwave spectral folding index
_FillValue: -32767
coverage_content_type: auxiliaryInformation
units: 1
description: one-based index for unfolding uncalibrated longwave spectrum into ascending wavenumbers
origname: spectral_fold_point_lw
fullnamepath: /aux/spectral_fold_point_lw
aux_space_max_igm_val_mw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: midwave space view maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: granule mean midwave space view max abs raw IGM value including fixed DC offset
origname: space_max_igm_val_mw
fullnamepath: /aux/space_max_igm_val_mw
aux_ict_radmod_oma_struct_emiss_mw: 32 bit Real
long_name: midwave OMA and frame emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model OMA and frame mean midwave emissivity
origname: ict_radmod_oma_struct_emiss_mw
fullnamepath: /aux/ict_radmod_oma_struct_emiss_mw
aux_nedn_lowres_mw: Array of 32 bit Reals [fov = 0..8][wnum_mw = 0..868]
long_name: low spectral resolution midwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: low spectral resolution midwave noise equivalent differential radiance
origname: nedn_lowres_mw
fullnamepath: /aux/nedn_lowres_mw
aux_nedn_lowres_sw: Array of 32 bit Reals [fov = 0..8][wnum_sw = 0..636]
long_name: low spectral resolution shortwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: low spectral resolution shortwave noise equivalent differential radiance
origname: nedn_lowres_sw
fullnamepath: /aux/nedn_lowres_sw
aux_ru_prpt: 32 bit Real
long_name: combined polarization uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: radiometric uncertainty parameter 3-sigma uncertainty in combined SSM and sensor polarization
origname: ru_prpt
fullnamepath: /aux/ru_prpt
aux_ru_a2_mw: Array of 32 bit Reals [fov = 0..8]
long_name: midwave nonlinearity coefficient uncertainty
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1/V
description: radiometric uncertainty parameter 3-sigma uncertainty in midwave quadratic nonlinearity correction coefficient
origname: ru_a2_mw
fullnamepath: /aux/ru_a2_mw
aux_ict_radmod_earth_emiss_sw: 32 bit Real
long_name: shortwave Earth emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Earth mean shortwave emissivity
origname: ict_radmod_earth_emiss_sw
fullnamepath: /aux/ict_radmod_earth_emiss_sw
aux_ict_radmod_scan_mirror_emiss_lw: 32 bit Real
long_name: longwave scan mirror emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Scan Mirror mean longwave emissivity
origname: ict_radmod_scan_mirror_emiss_lw
fullnamepath: /aux/ict_radmod_scan_mirror_emiss_lw
aux_measured_laser_wlen: 64 bit Real
valid_range: 695.00000000000000, 850.00000000000000
long_name: measured metrology laser half-wavelengths
_FillValue: 9.9692099683868690e+36
coverage_content_type: qualityInformation
units: nm
description: measured metrology laser half-wavelengths
origname: measured_laser_wlen
fullnamepath: /aux/measured_laser_wlen
aux_ict_max_igm_val_lw: Array of 32 bit Reals [aux_sweep = 0..1][fov = 0..8]
long_name: longwave ICT maximum IGM value
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: granule mean longwave ICT max abs raw IGM value including fixed DC offset
origname: ict_max_igm_val_lw
fullnamepath: /aux/ict_max_igm_val_lw
aux_earth_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: ICT model, Earth temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: ICT radiometric model, assumed Earth temperature term from eng packet
origname: earth_temp
fullnamepath: /aux/earth_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_bs_temp: Array of 32 bit Reals [atrack = 0..44]
long_name: beamsplitter temperature
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: kelvin
description: beamsplitter temperature
origname: bs_temp
fullnamepath: /aux/bs_temp
coordinates: aux_subsat_lon aux_subsat_lat
aux_ict_radmod_earth_emiss_lw: 32 bit Real
long_name: longwave Earth emissivity
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1
description: ICT radiometric model Earth mean longwave emissivity
origname: ict_radmod_earth_emiss_lw
fullnamepath: /aux/ict_radmod_earth_emiss_lw
aux_nonlin_a2_sw: Array of 32 bit Reals [fov = 0..8]
long_name: shortwave nonlinearity coefficient
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: 1/V
description: shortwave quadratic nonlinearity correction coefficient
origname: nonlin_a2_sw
fullnamepath: /aux/nonlin_a2_sw
aux_polcorr_ssm_angle_ds: Array of 32 bit Reals [fov = 0..8]
long_name: effective deep space view angle
_FillValue: 9.969209968e+36
coverage_content_type: auxiliaryInformation
units: radians
description: polarization correction parameter deep space view angle
origname: polcorr_ssm_angle_ds
fullnamepath: /aux/polcorr_ssm_angle_ds
rad_sw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][wnum_sw = 0..636]
ancillary_variables: rad_sw_qc
long_name: shortwave real spectral radiance
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: physicalMeasurement
standard_name: toa_outgoing_radiance_per_unit_wavenumber
units: mW/(m2 sr cm-1)
description: shortwave real spectral radiance
qc_pct_best: 0.0000000000000000
qc_pct_good: 0.0000000000000000
qc_pct_do_not_use: 100.00000000000000
origname: rad_sw
fullnamepath: /rad_sw
sat_alt: Array of 32 bit Reals [atrack = 0..44]
valid_range: 100000.0000, 1000000.000
long_name: satellite altitude
coordinates: subsat_lon subsat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: altitude
units: m
description: satellite altitude with respect to earth model at scan_mid_time
AIRS_HDF_name: satheight
origname: sat_alt
fullnamepath: /sat_alt
nedn_mw: Array of 32 bit Reals [fov = 0..8][wnum_mw = 0..868]
long_name: midwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: mW/(m2 sr cm-1)
description: midwave noise equivalent differential radiance
origname: nedn_mw
fullnamepath: /nedn_mw
asc_flag: Array of Bytes [atrack = 0..44]
valid_range: 0, 1
long_name: ascending orbit flag
coordinates: subsat_lon subsat_lat
_FillValue: 255
flag_values: 0, 1
coverage_content_type: referenceInformation
description: ascending orbit flag: 1 if ascending, 0 descending
AIRS_HDF_name: scan_node_type
flag_meanings: descending ascending
origname: asc_flag
fullnamepath: /asc_flag
sun_glint_lat: Array of 32 bit Reals [atrack = 0..44]
valid_range: -90.00000000, 90.00000000
long_name: sun glint latitude
coordinates: subsat_lon subsat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: latitude
units: degrees_north
description: sun glint spot latitude at scan_mid_time. Fill for night observations.
AIRS_HDF_name: glintlat
origname: sun_glint_lat
fullnamepath: /sun_glint_lat
subsat_lon: Array of 32 bit Reals [atrack = 0..44]
valid_range: -180.0000000, 180.0000000
long_name: sub-satellite longitude
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
standard_name: longitude
units: degrees_east
description: sub-satellite longitude at scan_mid_time
AIRS_HDF_name: sat_lon
origname: subsat_lon
fullnamepath: /subsat_lon
sat_vel: Array of 32 bit Reals [atrack = 0..44][spatial = 0..2]
long_name: satellite velocity
coordinates: subsat_lon subsat_lat spatial_lbl
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
units: m s-1
description: satellite ECR velocity at scan_mid_time
origname: sat_vel
fullnamepath: /sat_vel
atrack: Array of 32 bit Reals [atrack = 0..44]
attitude: Array of 32 bit Reals [attitude = 0..2]
aux_neon_sample: Array of 32 bit Reals [aux_neon_sample = 0..29]
aux_sweep: Array of 32 bit Reals [aux_sweep = 0..1]
fov: Array of 32 bit Reals [fov = 0..8]
fov_poly: Array of 32 bit Reals [fov_poly = 0..7]
spatial: Array of 32 bit Reals [spatial = 0..2]
utc_tuple: Array of 32 bit Reals [utc_tuple = 0..7]
wnum_lw: Array of 64 bit Reals [wnum_lw = 0..716]
valid_range: 648.75000000000000, 1096.2500000000000
long_name: longwave wavenumber
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
standard_name: sensor_band_central_radiation_wavenumber
units: cm-1
description: longwave wavenumber
origname: wnum_lw
fullnamepath: /wnum_lw
wnum_mw: Array of 64 bit Reals [wnum_mw = 0..868]
valid_range: 1207.5000000000000, 1752.5000000000000
long_name: midwave wavenumber
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
standard_name: sensor_band_central_radiation_wavenumber
units: cm-1
description: midwave wavenumber
origname: wnum_mw
fullnamepath: /wnum_mw
wnum_sw: Array of 64 bit Reals [wnum_sw = 0..636]
valid_range: 2150.0000000000000, 2555.0000000000000
long_name: shortwave wavenumber
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
standard_name: sensor_band_central_radiation_wavenumber
units: cm-1
description: shortwave wavenumber
origname: wnum_sw
fullnamepath: /wnum_sw
xtrack: Array of 32 bit Reals [xtrack = 0..29]