Datastream : ASSISTCH2

Atmospheric Sounder Spectrometer for Infrared Spectral Technology (ASSIST): channel 2 data

Active Dates
2012.12.07 - 2017.02.25

Measurement Categories
Radiometric

Originating Instrument
Atmospheric Sounder Spectrometer for Infrared Spectral Technology (ASSIST)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
Mean ambient blackbody temperature from three thermistors degC abb_mean_temp ( time )
Ambient blackbody temperature setting degC abb_set_point ( time )
Ambient blackbody temperature at apex of cavity degC abb_thermistor_apex ( time )
Ambient blackbody temperature at bottom of cone degC abb_thermistor_bottom ( time )
Ambient blackbody temperature at top of cone degC abb_thermistor_top ( time )
Relative humidity of air near FTS fan inlet % air_near_fts_rh ( time )
Temperature of air near FTS fan inlet degC air_near_fts_temp ( time )
Temperature of air near FTS fan inlet, auxiliary degC air_near_fts_temp2 ( time )
Altitude above mean sea level m alt
Annotator 5 volt supply V annotator_5v ( time )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Blackbody and detector cooler 24 volt supply V bb_cooler_24v ( time )
AC voltage supplied to compressor V compressor_ac_v_applied ( time )
Cooler block temperature degC cooler_block_temp ( time )
Cooler temperature diode reading mV cooler_diode_reading ( time )
Cooler temperature K cooler_diode_temperature ( time )
Cooler temperature alarm state unitless cooler_temp_alarm ( time )
Electronics box temperature degC elec_box_temp ( time )
Front end enclosure temperature degC front_end_enclosure_temp ( time )
FTS 15 volt supply V fts_15v ( time )
Humidity within FTS enclosure % fts_enclosure_rh ( time )
FTS enclosure temperature degC fts_enclosure_temp ( time )
Altitude above mean sea level from GPS m gps_altitude ( time )
Latitude from GPS degree_N gps_latitude ( time )
Longitude from GPS degree_W gps_longitude ( time )
Number of satellites in GPS fix unitless gps_number_satellites ( time )
Time from GPS in UTC stored as HHMMSS HHMMSS gps_time_hhmmss_utc ( time )
Hatch closed when 1 unitless hatch_closed_indicator ( time )
Hatch open when 1 unitless hatch_open_indicator ( time )
Mean hot blackbody temperature from three thermistors degC hbb_mean_temp ( time )
Hot blackbody temperature setting degC hbb_set_point ( time )
Hot blackbody temperature at apex of cavity degC hbb_thermistor_apex ( time )
Hot blackbody temperature at bottom of cone degC hbb_thermistor_bottom ( time )
Hot blackbody temperature at top of cone degC hbb_thermistor_top ( time )
Itx CPU heatsink temperature degC itx_cpu_heatsink_temp ( time )
ITX PC 12 volt supply V itx_pc_12v ( time )
North latitude degree_N lat
East longitude degree_E lon
Downwelling radiance interpolated to standard wavenumber scale mW/(m^2 sr cm^-1) mean_rad ( time, wnum )
Motor 24 volt supply V mirror_motor_24v ( time )
Scene mirror motor temperature degC mirror_motor_temp ( time )
Second port blackbody temperature degC port2_bb_temp ( time )
Power supply box temperature degC power_supply_box_temp ( time )
Pre-amp 15 volt supply V preamp_15v ( time )
Precipitation sensor state unitless precip_sensor_state ( time )
Quality check results on field: Downwelling radiance interpolated to standard wavenumber scale unitless qc_mean_rad ( time, wnum )
Quality check results on field: Difference between the sky view's radiance variance and the hot black body view's variance unitless qc_standard_dev_mean_rad ( time, wnum )
Quality check results on field: Time offset from midnight unitless qc_time ( time )
Difference between the sky view's radiance variance and the hot black body view's variance (mW/(m^2 sr cm^-1))^2 sky_variance_minus_HBB_variance ( time, wnum )
Difference between the sky view's radiance variance and the hot black body view's variance (mW/(m^2 sr cm^-1))^2 standard_dev_mean_rad ( time, wnum )
Sunlight intensity with arbitrary scale V sun_sensor_signal ( time )
Time offset from midnight time ( time )
Time cell bounds time_bounds ( time, bound )
Time offset from base_time time_offset ( time )
Wave number in reciprocal centimeters cm^-1 wnum ( wnum )

Locations

Southern Great Plains
SGPE41 Browse DataPeckham, OK (Extended)
ARM Mobile Facility
MAGM1 Browse DataLos Angeles, CA to Honolulu, HI - container ship Horizon Spirit; AMF2
TMPM1 Browse DataU. of Helsinki Research Station (SMEAR II), Hyytiala, Finland; AMF2

Contact(s)

Albert Mendoza
Pacific Northwest National Laboratory
associate
509-375-2591
Albert.Mendoza@pnnl.gov

Connor Flynn
Pacific Northwest National Laboratory
(509) 375-2041
connor.flynn@pnnl.gov