Data Quality Reports for Session: 117395 User: ben1foreba Completed: 02/06/2009


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D020425.1TWP/AERI/C2 - Hatch FailuretwpaeriC2.00, twpaerich1C2.a1, twpaerich2C2.a1, twpaeriengineerC2.a1, twpaerisummaryC2.a1
D040312.5TWP/AERI/C2 - Reprocessed Data Available from Archivetwpaerich1C2.a1, twpaerich2C2.a1
D990909.5Calibration interruption of data TWP NaurutwpaeriC2.00, twpaerich1C2.a1, twpaerich2C2.a1, twpaeriengineerC2.a1, twpaerisummaryC2.a1


DQRID : D020425.1
Start DateStart TimeEnd DateEnd Time
03/01/2002000004/15/20022359
Subject:
TWP/AERI/C2 - Hatch Failure
DataStreams:twpaeriC2.00, twpaerich1C2.a1, twpaerich2C2.a1, twpaeriengineerC2.a1, twpaerisummaryC2.a1
Description:
The AERI hatch failed 3/1/02 and the hatch was covered with
plastic to keep the rain out.  The data collected while the
hatch was covered with plastic may appear to be okay, but 
should not be used for scientific study.  The plastic totally
invalidates the AERI data calibrations.
Measurements:twpaerisummaryC2.a1:
  • Sun sensor analog output: The sun sensor has a view angle to the sky slightly
    larger than the interferometer FOV and is aligned to the interferometer
    line-of-sight. I(sunSensorIntensity)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • AERI SW HBB 2min NESR Estimate #2 derived from sequential HBB views (Ch2)(HBB2minNENEstimateNo2Ch2)
  • Version number of Operational Software(systemReleaseNumber)
  • Logical flag indicating whether longwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using LWskyNEN and
    LWskyNENlimit.(LWskyNENacceptable)
  • Shortwave radiance average (2295_2300 cm-1) Surface Air(surfaceLayerRadiance2295_2300)
  • AERI SW HBB 2min NESR Estimate #1 derived from variance during HBB view (Ch2)(HBB2minNENEstimateNo1Ch2)
  • AERI LW HBB 2min NESR Estimate #1 derived from variance during HBB view (Ch1)(HBB2minNENEstimateNo1Ch1)
  • Radiance standard deviation during sky view averaged over (700_705 cm-1)(skyViewStdDevRadiance700_705)
  • Logical flag indicating whether HBB temperature is stable (true) or not stable
    (false). Determined using HBBtempDrift and HBBtempDriftLimit.(HBBstable)
  • Shortwave window brightness temperature from radiance average (2510_2515 cm-1)(shortwaveWindowAirTemp2510_2515)
  • AERI LW HBB 2min NESR Estimate #2 derived from sequential HBB views (Ch1)(HBB2minNENEstimateNo2Ch1)
  • Shortwave surface air brightness temperature from radiance average (2295_2300
    cm-1)(surfaceLayerAirTemp2295_2300)
  • Difference between actual and ideal motor encoder values for current view
    indicative of quality of the mirror positioning.(sceneMirPosEncoderDrift)
  • Maximum Temperature Difference Between ABB Thermistors(ABBmaxTempDiff)
  • AERI instrument data channel number(channelNumber)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • The noise equivalent radiance observed in the shortwave channel during a sky
    view at 2500 cm-1(SWskyNEN)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • Longwave surface air brightness temperature from radiance average (675_680 cm-1)(surfaceLayerAirTemp675_680)
  • Shortwave window radiance average (2510_2515 cm-1)(shortwaveWindowRadiance2510_2515)
  • Time (HHMMSS)(timeHHMMSS)
  • AERI SW Scene Variability Spectral Averages (Ch2)(SkyUniformityCh2)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)
  • Longwave radiance average (675-680 cm-1) Surface Air(surfaceLayerRadiance675_680)
  • Longwave elevated air brightness temperature from radiance average (700_705
    cm-1)(elevatedLayerAirTemp700_705)
  • Radiance standard deviation during sky view averaged over (2295_2300 cm-1)(skyViewStdDevRadiance2295_2300)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Shortwave elevated air brightness temperature from radiance average (2282_2287
    cm-1)(elevatedLayerAirTemp2282_2287)
  • AERI LW Responsivity Spectral Averages (Ch1)(ResponsivitySpectraAveragesCh1)
  • Maximum Standard Deviation in Thermistor Channels 0..7(maxSampleStdDev)
  • AERI SW HBB 2min NESR Estimate #1 derived from variance during HBB view (Ch2)(HBB2minNENestimateNo1Ch2)
  • Wave number in reciprocal centimeters(wnumsum1)
  • AERI LW Scene Variability Spectral Averages (Ch1)(SkyVariabilityAveragesCh1)
  • AERI LW HBB 2min NESR Estimate #2 derived from sequential HBB views (Ch1)(HBB2minNENestimateNo2Ch1)
  • Radiance standard deviation during sky view averaged over (2510_2515 cm-1)(skyViewStdDevRadiance2510_2515)
  • Wave number in reciprocal centimeters(wnumsum2)
  • Maximum Temperature Difference Between HBB Thermistors(HBBmaxTempDiff)
  • AERI SW Scene Brightness Temp Spectral Averages (Ch2)(SkyBrightnessTempSpectralAveragesCh2)
  • Noise-equivalent Radiance in Hot Blackbody at 2500 cm-1(SW_HBB_NEN)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • AERI SW HBB 2min NESR Estimate #2 derived from sequential HBB views (Ch2)(HBB2minNENestimateNo2Ch2)
  • Radiance standard deviation during sky view averaged over (2282_2287 cm-1)(skyViewStdDevRadiance2282_2287)
  • Wave number in reciprocal centimeters(wnumsum3)
  • Wave number in reciprocal centimeters(wnumsum6)
  • Longwave window radiance average (985_990 cm-1)(longwaveWindowRadiance985_990)
  • AERI LW Scene Brightness Temp Spectral Averages (Ch1)(SkyBrightnessTempSpectralAveragesCh1)
  • AERI SW Scene Variability Spectral Averages (Ch2)(SkyVariabilityAveragesCh2)
  • AERI LW Responsivity Spectral Averages (Ch1)(ResponsivitySpectralAveragesCh1)
  • Wave number in reciprocal centimeters(wnumsum7)
  • Duration of scene view(sceneViewDuration)
  • Difference between frontEndFanAirHeatedTemp and frontEndFanAirUnheatedTemp
    indicative of front end air flow.(frontEndFanAirTempDiff)
  • Wave number in reciprocal centimeters(wnumsum10)
  • AERI SW Scene Radiance Spectral Averages (Ch2)(SkyRadianceSpectralAveragesCh2)
  • AERI LW Scene Variability Spectral Averages (Ch1)(SkyUniformityCh1)
  • Wave number in reciprocal centimeters(wnumsum5)
  • Wave number in reciprocal centimeters(wnumsum4)
  • AERI LW Scene Radiance Spectral Averages (Ch1)(SkyRadianceSpectralAveragesCh1)
  • AERI LW HBB 2min NESR Estimate #1 derived from variance during HBB view (Ch1)(HBB2minNENestimateNo1Ch1)
  • Longwave radiance average (700_705 cm-1) Elevated Air(elevatedLayerRadiance700_705)
  • The maximum excursion of hot-blackbody temperature over 5 consecutive scenes,
    centered on the sky view(HBBtempDrift)
  • Wave number in reciprocal centimeters(wnumsum12)
  • Radiance standard deviation during sky view averaged over (985_990 cm-1)(skyViewStdDevRadiance985_990)
  • Wave number in reciprocal centimeters(wnumsum13)
  • Characteristic value representing overall longwave channel responsivity(LWresponsivity)
  • AERI SW Responsivity Spectral Averages (Ch2)(ResponsivitySpectraAveragesCh2)
  • AERI SW Responsivity Spectral Averages (Ch2)(ResponsivitySpectralAveragesCh2)
  • Wave number in reciprocal centimeters(wnumsum14)
  • Logical flag indicating whether shortwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using SWskyNEN and
    SWskyNENlimit.(SWskyNENacceptable)
  • AERI SW Scene NESR Spectral Averages (Ch2)(SkyNENCh2)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Shortwave radiance average (2282_2287 cm-1) Elevated Air(elevatedLayerRadiance2282_2287)
  • xxx(dataAvailable)
  • AERI LW Scene Radiance Spectral Averages (Ch1)(SkyRadianceSpectraAveragesCh1)
  • AERI LW Scene NESR Spectral Averages (Ch1)(SkyNENCh1)
  • Wave number in reciprocal centimeters(wnumsum9)
  • Wave number in reciprocal centimeters(wnumsum8)
  • The noise equivalent radiance observed in the longwave channel during a sky view
    at 1000 cm-1(LWskyNEN)
  • Longwave window brightness temperature from radiance average (985_990 cm-1)(longwaveWindowAirTemp985_990)
  • Rain sensor analog output: the rain sensor is located inside the hatch near the
    sky aperture and is used to flag the critical condition of rain falling on
    the AERI s(rainSensorIntensity)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Wave number in reciprocal centimeters(wnumsum11)
  • AERI SW Scene Radiance Spectral Averages (Ch2)(SkyRadianceSpectraAveragesCh2)
  • Radiance standard deviation during sky view averaged over (675_680 cm-1)(skyViewStdDevRadiance675_680)
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • Characteristic value representing overall shortwave channel responsivity(SWresponsivity)
  • Noise-equivalent Radiance in Hot Blackbody at 1000 cm-1(LW_HBB_NEN)

twpaerich2C2.a1:
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • wavenumbers for standard deviation of radiance spectra(wnum2)
  • AERI instrument unit serial number(AERIunitNumber)
  • Standard deviation of radiance spectra ensemble(standard_dev_mean_rad)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Character string containing instrument name(instrumentUnitNumber)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • BB Support Structure Temperature(BBsupportStructureTemp)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • Mean of radiance spectra ensemble(mean_rad)
  • Duration of scene view(sceneViewDuration)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • AERI instrument data channel number(channelNumber)
  • Version number of Operational Software(systemReleaseNumber)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)

twpaeriC2.00:
  • null(Raw data stream - documentation not supported)

twpaeriengineerC2.a1:
  • Weight factor for bottom used in calculating ambient blackbody temperature
    average(ABBbottomTempWeight)
  • xxx(dataAvailable)
  • Stirling cooler power supply temperature measured at power supply frame(coolerPowerSupplyTemp)
  • Ambient blackbody temperature - apex(ABBapexTemp)
  • Longwave elevated air brightness temperature from radiance average (700_705
    cm-1)(elevatedLayerAirTemp700_705)
  • Radiance standard deviation during sky view averaged over (2295_2300 cm-1)(skyViewStdDevRadiance2295_2300)
  • Imaginary radiance during sky view averaged over (675_680 cm-1)(skyViewImaginaryRadiance675_680)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • Maximum Temperature Difference Between ABB Thermistors(ABBmaxTempDiff)
  • Scene mirror motor driver heat sink temperature(motorDriverTemp)
  • Radiance standard deviation during ambient blackbody view averaged over
    (2282_2287 cm-1)(ABBviewStdDevRadiance2282_2287)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)
  • Shortwave surface air brightness temperature from radiance average (2295_2300
    cm-1)(surfaceLayerAirTemp2295_2300)
  • Factor used to convert single-scan noise to two-minute equivalent(twoMinuteNoiseEstimateFactor)
  • Interferometer window temperature measured on the outside of the aluminum window
    flange(interferometerWindowTemp)
  • Ambient air temperature near blackbodies(airNearBBsTemp)
  • Motor step value given to motor controller to achieve proper mirror positioning(sceneMirrorMotorStep)
  • Original laser wavenumber assumed for this instrument(originalLaserWavenumber)
  • Observation relative humidity at AERI blackbodies(atmosphericRelativeHumidity)
  • Ambient blackbody temperature - rim top(ABBtopTemp)
  • Stirling cooler compressor temperature measured at compressor heatsink(coolerCompressorTemp)
  • Shortwave radiance average (2295_2300 cm-1) Surface Air(surfaceLayerRadiance2295_2300)
  • Radiance standard deviation during ambient blackbody view averaged over (675_680
    cm-1)(ABBviewStdDevRadiance675_680)
  • Resistive temperature of 2500 Ohm fixed resistor - banana plug mounted(fixed2500ohmResistor)
  • Imaginary radiance during sky view averaged over (700_705 cm-1)(skyViewImaginaryRadiance700_705)
  • Blackbody controller Unit 1 power supply temperature(BBcontroller1temp)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • Relative humidity measured in the optics compartment atop the interferometer.(opticsCompartmentRelativeHumidity)
  • Field of view half angle used in finite FOV correction(FFOVhalfAngle)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Noise-equivalent Radiance in Hot Blackbody at 1000 cm-1(LW_HBB_NEN)
  • Stirling cycle cooler current(coolerCurrent)
  • Longwave radiance average (700_705 cm-1) Elevated Air(elevatedLayerRadiance700_705)
  • Weight factor for apex used in calculating ambient blackbody temperature average(ABBapexTempWeight)
  • Scene mirror temperature as measured at the center of the back of the mirror(sceneMirrorTemp)
  • Radiance standard deviation during hot blackbody view averaged over (675_680
    cm-1)(HBBviewStdDevRadiance675_680)
  • Radiance standard deviation during hot blackbody view averaged over (700_705
    cm-1)(HBBviewStdDevRadiance700_705)
  • AERI instrument data channel number(channelNumber)
  • Longwave window brightness temperature from radiance average (985_990 cm-1)(longwaveWindowAirTemp985_990)
  • Radiance standard deviation during sky view averaged over (2282_2287 cm-1)(skyViewStdDevRadiance2282_2287)
  • Detector temperature sensed via diode near detector(detectorTemp)
  • Duration of scene view(sceneViewDuration)
  • The noise equivalent radiance observed in the shortwave channel during a sky
    view at 2500 cm-1(SWskyNEN)
  • Scene mirror position encoder value(sceneMirPosEncoder)
  • Radiance standard deviation during hot blackbody view averaged over (2282_2287
    cm-1)(HBBviewStdDevRadiance2282_2287)
  • Version number of Operational Software(systemReleaseNumber)
  • Size of buffer holding expanded spectrum before interpolation(expandedInterferogramSize)
  • BB Support Structure Temperature(BBsupportStructureTemp)
  • Imaginary radiance during sky view averaged over (2295_2300 cm-1)(skyViewImaginaryRadiance2295_2300)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • Logical flag indicating whether HBB temperature is stable (true) or not stable
    (false). Determined using HBBtempDrift and HBBtempDriftLimit.(HBBstable)
  • Weight factor for bottom used in calculating hot blackbody temperature average(HBBbottomTempWeight)
  • Imaginary radiance during sky view averaged over (2510_2515 cm-1)(skyViewImaginaryRadiance2510_2515)
  • Radiance standard deviation during ambient blackbody view averaged over
    (2295_2300 cm-1)(ABBviewStdDevRadiance2295_2300)
  • Limit applied to LWskyNEN in determination of LWskyNENacceptable(LWskyNENlimit)
  • Weight factor for apex used in calculating hot blackbody temperature average(HBBapexTempWeight)
  • Blackbody cavity geometry factor(BBcavityFactor)
  • Resistive temperature of 12 Kohm fixed resistor located in SCE-P3 shell(fixed12KohmResistor)
  • Longwave radiance average (675-680 cm-1) Surface Air(surfaceLayerRadiance675_680)
  • Shortwave window radiance average (2510_2515 cm-1)(shortwaveWindowRadiance2510_2515)
  • Shortwave elevated air brightness temperature from radiance average (2282_2287
    cm-1)(elevatedLayerAirTemp2282_2287)
  • AERI ingest computer temperature measured at back panel of computer(computerTemp)
  • Sun sensor analog output: The sun sensor has a view angle to the sky slightly
    larger than the interferometer FOV and is aligned to the interferometer
    line-of-sight. I(sunSensorIntensity)
  • Logical flag indicating whether longwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using LWskyNEN and
    LWskyNENlimit.(LWskyNENacceptable)
  • Stirling cycle cooler expander temperature(coolerExpanderTemp)
  • Radiance standard deviation during sky view averaged over (2510_2515 cm-1)(skyViewStdDevRadiance2510_2515)
  • Corrective offset for final ambient blackbody average temperature(ABBtempOffset)
  • Radiance standard deviation during hot blackbody view averaged over (2510_2515
    cm-1)(HBBviewStdDevRadiance2510_2515)
  • Ambient blackbody temperature(ABBbottomTemp)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Number of terms used in finite field of view correction(numberOfTerms)
  • Corrective offset for final hot blackbody average temperature(HBBtempOffset)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Logical flag indicating whether shortwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using SWskyNEN and
    SWskyNENlimit.(SWskyNENacceptable)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Longwave window radiance average (985_990 cm-1)(longwaveWindowRadiance985_990)
  • Imaginary radiance during sky view averaged over (2282_2287 cm-1)(skyViewImaginaryRadiance2282_2287)
  • Characteristic value representing overall shortwave channel responsivity(SWresponsivity)
  • Shortwave window brightness temperature from radiance average (2510_2515 cm-1)(shortwaveWindowAirTemp2510_2515)
  • Hot blackbody temperature - apex(HBBapexTemp)
  • Maximum Temperature Difference Between HBB Thermistors(HBBmaxTempDiff)
  • Radiance standard deviation during sky view averaged over (700_705 cm-1)(skyViewStdDevRadiance700_705)
  • Spare temperature sensor (location TBD)(spareTemp)
  • Noise-equivalent Radiance in Hot Blackbody at 2500 cm-1(SW_HBB_NEN)
  • Radiance standard deviation during ambient blackbody view averaged over
    (2510_2515 cm-1)(ABBviewStdDevRadiance2510_2515)
  • Interferometer front end fan airflow unheated temperature: used with heated
    temperature as measure of airflow.(frontEndFanAirUnheatedTemp)
  • Rain sensor analog output: the rain sensor is located inside the hatch near the
    sky aperture and is used to flag the critical condition of rain falling on
    the AERI s(rainSensorIntensity)
  • Weight factor for top used in calculating ambient blackbody temperature average(ABBtopTempWeight)
  • Maximum Standard Deviation in Thermistor Channels 0..7(maxSampleStdDev)
  • Resistive temperature of 97 Kohm fixed resistor located in SCE-P4 shell(fixed97KohmResistor)
  • Hot blackbody temperature - rim bottom(HBBbottomTemp)
  • The noise equivalent radiance observed in the longwave channel during a sky view
    at 1000 cm-1(LWskyNEN)
  • Weight factor for top used in calculating hot blackbody temperature average(HBBtopTempWeight)
  • Hot blackbody temperature - rim top(HBBtopTemp)
  • Number of views in a sequence(sceneMirPosCount)
  • Shortwave radiance average (2282_2287 cm-1) Elevated Air(elevatedLayerRadiance2282_2287)
  • Size of buffer holding initial spectrum(originalInterferogramSize)
  • Ambient air temperature near the interferometer(airNearInterferometerTemp)
  • Radiance standard deviation during sky view averaged over (985_990 cm-1)(skyViewStdDevRadiance985_990)
  • Radiance standard deviation during sky view averaged over (675_680 cm-1)(skyViewStdDevRadiance675_680)
  • The maximum excursion of hot-blackbody temperature over 5 consecutive scenes,
    centered on the sky view(HBBtempDrift)
  • Radiance standard deviation during hot blackbody view averaged over (2295_2300
    cm-1)(HBBviewStdDevRadiance2295_2300)
  • Radiance standard deviation during hot blackbody view averaged over (985_990
    cm-1)(HBBviewStdDevRadiance985_990)
  • Instrument scene mirror position identifier(sceneMirrorPosition)
  • Radiance standard deviation during ambient blackbody view averaged over (985_990
    cm-1)(ABBviewStdDevRadiance985_990)
  • Laser wavenumber used in definition of output wavenumber scale(outputLaserWavenumber)
  • Limit applied to SWskyNEN in determination of SWskyNENacceptable(SWskyNENlimit)
  • Observation atmospheric pressure in AERI electronics(atmosphericPressure)
  • Blackbody controller Unit 2 power supply temperature(BBcontroller2temp)
  • Radiance standard deviation during ambient blackbody view averaged over (700_705
    cm-1)(ABBviewStdDevRadiance700_705)
  • Signal conditioning electronics inside air temperature(SCEtemp)
  • Imaginary radiance during sky view averaged over (985_990 cm-1)(skyViewImaginaryRadiance985_990)
  • Relative Humidity measured in the Interferometer Enclosure(interferometerEnclosureRelativeHumidity)
  • Interferometer front end fan airflow heated temperature: used with unheated
    temperature as measure of airflow.(frontEndFanAirHeatedTemp)
  • Limit applied to HBBtempDrift in determination of HBBstable flag(HBBtempDriftLimit)
  • Scene mirror motor case temperature(mirrorMotorTemp)
  • AERI interferometer temperature at second port(interferometerSecondPortTemp)
  • Electronics rack ambient temperature measured at inside top of rack(rackAmbientTemp)
  • Characteristic value representing overall longwave channel responsivity(LWresponsivity)
  • Number of complete (forward+backward) interferogram scans in sample average(coadditionsCount)
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • Difference between frontEndFanAirHeatedTemp and frontEndFanAirUnheatedTemp
    indicative of front end air flow.(frontEndFanAirTempDiff)
  • Difference between actual and ideal motor encoder values for current view
    indicative of quality of the mirror positioning.(sceneMirPosEncoderDrift)
  • Longwave surface air brightness temperature from radiance average (675_680 cm-1)(surfaceLayerAirTemp675_680)

twpaerich1C2.a1:
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Wave number(wnum)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)
  • Duration of scene view(sceneViewDuration)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • Mean of radiance spectra ensemble(mean_rad)
  • Observation longitude(Longitude)
  • BB Support Structure Temperature(BBsupportStructureTemp)
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • wavenumbers for standard deviation of radiance spectra(wnum2)
  • AERI instrument data channel number(channelNumber)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Standard deviation of radiance spectra ensemble(standard_dev_mean_rad)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Character string containing instrument name(instrumentUnitNumber)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • AERI instrument unit serial number(AERIunitNumber)


Back To Table of Contents

DQRID : D040312.5
Start DateStart TimeEnd DateEnd Time
12/01/2000000003/31/20012359
Subject:
TWP/AERI/C2 - Reprocessed Data Available from Archive
DataStreams:twpaerich1C2.a1, twpaerich2C2.a1
Description:
Reprocessed TWP.C2 AERI data from 20001201-20010331
are now available from the ARM Archive.  All future
requests for TWP.C2 AERI data from the Archive will
result in retrieval of these reprocessed data files.


The reprocessed data replace the original data which 
were incorrectly processed with wnum and wnum2 as 
2-dimensional variables.

Reprocessed data:
=========================================================
Datastream Name        # of Files      Total Size (Bytes)
=========================================================
twpaerich1C2.a1             120           544351404
twpaerich2C2.a1             120           481972984
twpaeriengineerC2.a1        120            16568568
twpaerisummaryC2.a1         120            87022808

Note: engineer and summary files were not affected by the original
      problem but were re-created with the reprocessing.

Comments: No data are available for 20010330 due to unavailability of
complete raw data for this day.

Questions regarding the data should be directed to the mentor:
Jack Demirgian
ftirman@anl.gov
(630)252-6807
Measurements:twpaerich2C2.a1:
  • Wave number(wnum)
  • wavenumbers for standard deviation of radiance spectra(wnum2)

twpaerich1C2.a1:
  • wavenumbers for standard deviation of radiance spectra(wnum2)
  • Wave number(wnum)


Back To Table of Contents

DQRID : D990909.5
Start DateStart TimeEnd DateEnd Time
08/08/1999233008/09/19990045
Subject:
Calibration interruption of data TWP Nauru
DataStreams:twpaeriC2.00, twpaerich1C2.a1, twpaerich2C2.a1, twpaeriengineerC2.a1, twpaerisummaryC2.a1
Description:
Instument covered with black body for calibration check
Measurements:twpaerisummaryC2.a1:
  • Sun sensor analog output: The sun sensor has a view angle to the sky slightly
    larger than the interferometer FOV and is aligned to the interferometer
    line-of-sight. I(sunSensorIntensity)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • AERI SW HBB 2min NESR Estimate #2 derived from sequential HBB views (Ch2)(HBB2minNENEstimateNo2Ch2)
  • Version number of Operational Software(systemReleaseNumber)
  • Logical flag indicating whether longwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using LWskyNEN and
    LWskyNENlimit.(LWskyNENacceptable)
  • Shortwave radiance average (2295_2300 cm-1) Surface Air(surfaceLayerRadiance2295_2300)
  • AERI SW HBB 2min NESR Estimate #1 derived from variance during HBB view (Ch2)(HBB2minNENEstimateNo1Ch2)
  • AERI LW HBB 2min NESR Estimate #1 derived from variance during HBB view (Ch1)(HBB2minNENEstimateNo1Ch1)
  • Radiance standard deviation during sky view averaged over (700_705 cm-1)(skyViewStdDevRadiance700_705)
  • Logical flag indicating whether HBB temperature is stable (true) or not stable
    (false). Determined using HBBtempDrift and HBBtempDriftLimit.(HBBstable)
  • Time at center of AERI sky observation period(Time)
  • Shortwave window brightness temperature from radiance average (2510_2515 cm-1)(shortwaveWindowAirTemp2510_2515)
  • AERI LW HBB 2min NESR Estimate #2 derived from sequential HBB views (Ch1)(HBB2minNENEstimateNo2Ch1)
  • Shortwave surface air brightness temperature from radiance average (2295_2300
    cm-1)(surfaceLayerAirTemp2295_2300)
  • Difference between actual and ideal motor encoder values for current view
    indicative of quality of the mirror positioning.(sceneMirPosEncoderDrift)
  • base time(base_time)
  • Maximum Temperature Difference Between ABB Thermistors(ABBmaxTempDiff)
  • AERI instrument data channel number(channelNumber)
  • AERI instrument unit serial number(AERIunitNumber)
  • lat(lat)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • lon(lon)
  • The noise equivalent radiance observed in the shortwave channel during a sky
    view at 2500 cm-1(SWskyNEN)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • Longwave surface air brightness temperature from radiance average (675_680 cm-1)(surfaceLayerAirTemp675_680)
  • Shortwave window radiance average (2510_2515 cm-1)(shortwaveWindowRadiance2510_2515)
  • Time (HHMMSS)(timeHHMMSS)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)
  • Time offset of tweaks from base_time(time_offset)
  • Longwave radiance average (675-680 cm-1) Surface Air(surfaceLayerRadiance675_680)
  • Longwave elevated air brightness temperature from radiance average (700_705
    cm-1)(elevatedLayerAirTemp700_705)
  • Observation Altitude(Altitude)
  • Radiance standard deviation during sky view averaged over (2295_2300 cm-1)(skyViewStdDevRadiance2295_2300)
  • Character string containing instrument name(instrumentUnitNumber)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Shortwave elevated air brightness temperature from radiance average (2282_2287
    cm-1)(elevatedLayerAirTemp2282_2287)
  • Julian Day including day and fraction of day(JulianDay)
  • AERI LW Responsivity Spectral Averages (Ch1)(ResponsivitySpectraAveragesCh1)
  • Maximum Standard Deviation in Thermistor Channels 0..7(maxSampleStdDev)
  • Wave number in reciprocal centimeters(wnumsum1)
  • AERI LW Scene Variability Spectral Averages (Ch1)(SkyVariabilityAveragesCh1)
  • Radiance standard deviation during sky view averaged over (2510_2515 cm-1)(skyViewStdDevRadiance2510_2515)
  • Wave number in reciprocal centimeters(wnumsum2)
  • Maximum Temperature Difference Between HBB Thermistors(HBBmaxTempDiff)
  • AERI SW Scene Brightness Temp Spectral Averages (Ch2)(SkyBrightnessTempSpectralAveragesCh2)
  • Noise-equivalent Radiance in Hot Blackbody at 2500 cm-1(SW_HBB_NEN)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Observation date(dateYYMMDD)
  • Radiance standard deviation during sky view averaged over (2282_2287 cm-1)(skyViewStdDevRadiance2282_2287)
  • Wave number in reciprocal centimeters(wnumsum3)
  • Wave number in reciprocal centimeters(wnumsum6)
  • Longwave window radiance average (985_990 cm-1)(longwaveWindowRadiance985_990)
  • AERI LW Scene Brightness Temp Spectral Averages (Ch1)(SkyBrightnessTempSpectralAveragesCh1)
  • AERI SW Scene Variability Spectral Averages (Ch2)(SkyVariabilityAveragesCh2)
  • Difference between frontEndFanAirHeatedTemp and frontEndFanAirUnheatedTemp
    indicative of front end air flow.(frontEndFanAirTempDiff)
  • Wave number in reciprocal centimeters(wnumsum7)
  • Duration of scene view(sceneViewDuration)
  • Wave number in reciprocal centimeters(wnumsum10)
  • Wave number in reciprocal centimeters(wnumsum5)
  • Wave number in reciprocal centimeters(wnumsum4)
  • Longwave radiance average (700_705 cm-1) Elevated Air(elevatedLayerRadiance700_705)
  • The maximum excursion of hot-blackbody temperature over 5 consecutive scenes,
    centered on the sky view(HBBtempDrift)
  • Dummy altitude for Zeb(alt)
  • Wave number in reciprocal centimeters(wnumsum12)
  • Radiance standard deviation during sky view averaged over (985_990 cm-1)(skyViewStdDevRadiance985_990)
  • Wave number in reciprocal centimeters(wnumsum13)
  • Characteristic value representing overall longwave channel responsivity(LWresponsivity)
  • AERI SW Responsivity Spectral Averages (Ch2)(ResponsivitySpectraAveragesCh2)
  • Wave number in reciprocal centimeters(wnumsum14)
  • Logical flag indicating whether shortwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using SWskyNEN and
    SWskyNENlimit.(SWskyNENacceptable)
  • AERI SW Scene NESR Spectral Averages (Ch2)(SkyNENCh2)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Shortwave radiance average (2282_2287 cm-1) Elevated Air(elevatedLayerRadiance2282_2287)
  • xxx(dataAvailable)
  • Observation atmospheric pressure in AERI electronics(atmosphericPressure)
  • AERI LW Scene Radiance Spectral Averages (Ch1)(SkyRadianceSpectraAveragesCh1)
  • AERI LW Scene NESR Spectral Averages (Ch1)(SkyNENCh1)
  • Wave number in reciprocal centimeters(wnumsum9)
  • Wave number in reciprocal centimeters(wnumsum8)
  • The noise equivalent radiance observed in the longwave channel during a sky view
    at 1000 cm-1(LWskyNEN)
  • Longwave window brightness temperature from radiance average (985_990 cm-1)(longwaveWindowAirTemp985_990)
  • Rain sensor analog output: the rain sensor is located inside the hatch near the
    sky aperture and is used to flag the critical condition of rain falling on
    the AERI s(rainSensorIntensity)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Wave number in reciprocal centimeters(wnumsum11)
  • AERI SW Scene Radiance Spectral Averages (Ch2)(SkyRadianceSpectraAveragesCh2)
  • Radiance standard deviation during sky view averaged over (675_680 cm-1)(skyViewStdDevRadiance675_680)
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • Characteristic value representing overall shortwave channel responsivity(SWresponsivity)
  • Observation relative humidity at AERI blackbodies(atmosphericRelativeHumidity)
  • Observation longitude(Longitude)
  • Observation latitude(Latitude)
  • Noise-equivalent Radiance in Hot Blackbody at 1000 cm-1(LW_HBB_NEN)

twpaerich2C2.a1:
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • Dummy altitude for Zeb(alt)
  • Wave number(wnum)
  • wavenumbers for standard deviation of radiance spectra(wnum2)
  • AERI instrument unit serial number(AERIunitNumber)
  • Standard deviation of radiance spectra ensemble(standard_dev_mean_rad)
  • Time offset of tweaks from base_time(time_offset)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Character string containing instrument name(instrumentUnitNumber)
  • Time (HHMMSS)(timeHHMMSS)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • BB Support Structure Temperature(BBsupportStructureTemp)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • Observation Altitude(Altitude)
  • base time(base_time)
  • lon(lon)
  • Mean of radiance spectra ensemble(mean_rad)
  • Observation relative humidity at AERI blackbodies(atmosphericRelativeHumidity)
  • Duration of scene view(sceneViewDuration)
  • Observation date(dateYYMMDD)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Observation latitude(Latitude)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Time at center of AERI sky observation period(Time)
  • Observation atmospheric pressure in AERI electronics(atmosphericPressure)
  • AERI instrument data channel number(channelNumber)
  • Observation longitude(Longitude)
  • lat(lat)
  • Julian Day including day and fraction of day(JulianDay)
  • Version number of Operational Software(systemReleaseNumber)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)

twpaeriC2.00:
  • null(Raw data stream - documentation not supported)

twpaeriengineerC2.a1:
  • Weight factor for bottom used in calculating ambient blackbody temperature
    average(ABBbottomTempWeight)
  • Character string containing instrument name(instrumentUnitNumber)
  • xxx(dataAvailable)
  • Stirling cooler power supply temperature measured at power supply frame(coolerPowerSupplyTemp)
  • Ambient blackbody temperature - apex(ABBapexTemp)
  • Longwave elevated air brightness temperature from radiance average (700_705
    cm-1)(elevatedLayerAirTemp700_705)
  • Radiance standard deviation during sky view averaged over (2295_2300 cm-1)(skyViewStdDevRadiance2295_2300)
  • Imaginary radiance during sky view averaged over (675_680 cm-1)(skyViewImaginaryRadiance675_680)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • Maximum Temperature Difference Between ABB Thermistors(ABBmaxTempDiff)
  • AERI instrument unit serial number(AERIunitNumber)
  • Scene mirror motor driver heat sink temperature(motorDriverTemp)
  • Radiance standard deviation during ambient blackbody view averaged over
    (2282_2287 cm-1)(ABBviewStdDevRadiance2282_2287)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)
  • Shortwave surface air brightness temperature from radiance average (2295_2300
    cm-1)(surfaceLayerAirTemp2295_2300)
  • Factor used to convert single-scan noise to two-minute equivalent(twoMinuteNoiseEstimateFactor)
  • Interferometer window temperature measured on the outside of the aluminum window
    flange(interferometerWindowTemp)
  • Ambient air temperature near blackbodies(airNearBBsTemp)
  • Motor step value given to motor controller to achieve proper mirror positioning(sceneMirrorMotorStep)
  • Original laser wavenumber assumed for this instrument(originalLaserWavenumber)
  • Observation relative humidity at AERI blackbodies(atmosphericRelativeHumidity)
  • Ambient blackbody temperature - rim top(ABBtopTemp)
  • Stirling cooler compressor temperature measured at compressor heatsink(coolerCompressorTemp)
  • Observation latitude(Latitude)
  • Shortwave radiance average (2295_2300 cm-1) Surface Air(surfaceLayerRadiance2295_2300)
  • Radiance standard deviation during ambient blackbody view averaged over (675_680
    cm-1)(ABBviewStdDevRadiance675_680)
  • Resistive temperature of 2500 Ohm fixed resistor - banana plug mounted(fixed2500ohmResistor)
  • Imaginary radiance during sky view averaged over (700_705 cm-1)(skyViewImaginaryRadiance700_705)
  • Blackbody controller Unit 1 power supply temperature(BBcontroller1temp)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • Relative humidity measured in the optics compartment atop the interferometer.(opticsCompartmentRelativeHumidity)
  • Time offset of tweaks from base_time(time_offset)
  • Field of view half angle used in finite FOV correction(FFOVhalfAngle)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Noise-equivalent Radiance in Hot Blackbody at 1000 cm-1(LW_HBB_NEN)
  • Stirling cycle cooler current(coolerCurrent)
  • Longwave radiance average (700_705 cm-1) Elevated Air(elevatedLayerRadiance700_705)
  • Weight factor for apex used in calculating ambient blackbody temperature average(ABBapexTempWeight)
  • Observation Altitude(Altitude)
  • Scene mirror temperature as measured at the center of the back of the mirror(sceneMirrorTemp)
  • Radiance standard deviation during hot blackbody view averaged over (675_680
    cm-1)(HBBviewStdDevRadiance675_680)
  • Radiance standard deviation during hot blackbody view averaged over (700_705
    cm-1)(HBBviewStdDevRadiance700_705)
  • AERI instrument data channel number(channelNumber)
  • Longwave window brightness temperature from radiance average (985_990 cm-1)(longwaveWindowAirTemp985_990)
  • Radiance standard deviation during sky view averaged over (2282_2287 cm-1)(skyViewStdDevRadiance2282_2287)
  • Detector temperature sensed via diode near detector(detectorTemp)
  • Duration of scene view(sceneViewDuration)
  • The noise equivalent radiance observed in the shortwave channel during a sky
    view at 2500 cm-1(SWskyNEN)
  • Scene mirror position encoder value(sceneMirPosEncoder)
  • Radiance standard deviation during hot blackbody view averaged over (2282_2287
    cm-1)(HBBviewStdDevRadiance2282_2287)
  • Size of buffer holding expanded spectrum before interpolation(expandedInterferogramSize)
  • Version number of Operational Software(systemReleaseNumber)
  • BB Support Structure Temperature(BBsupportStructureTemp)
  • Imaginary radiance during sky view averaged over (2295_2300 cm-1)(skyViewImaginaryRadiance2295_2300)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • Logical flag indicating whether HBB temperature is stable (true) or not stable
    (false). Determined using HBBtempDrift and HBBtempDriftLimit.(HBBstable)
  • Weight factor for bottom used in calculating hot blackbody temperature average(HBBbottomTempWeight)
  • Imaginary radiance during sky view averaged over (2510_2515 cm-1)(skyViewImaginaryRadiance2510_2515)
  • Radiance standard deviation during ambient blackbody view averaged over
    (2295_2300 cm-1)(ABBviewStdDevRadiance2295_2300)
  • Limit applied to LWskyNEN in determination of LWskyNENacceptable(LWskyNENlimit)
  • Weight factor for apex used in calculating hot blackbody temperature average(HBBapexTempWeight)
  • Blackbody cavity geometry factor(BBcavityFactor)
  • Resistive temperature of 12 Kohm fixed resistor located in SCE-P3 shell(fixed12KohmResistor)
  • Longwave radiance average (675-680 cm-1) Surface Air(surfaceLayerRadiance675_680)
  • Shortwave window radiance average (2510_2515 cm-1)(shortwaveWindowRadiance2510_2515)
  • Shortwave elevated air brightness temperature from radiance average (2282_2287
    cm-1)(elevatedLayerAirTemp2282_2287)
  • AERI ingest computer temperature measured at back panel of computer(computerTemp)
  • Observation longitude(Longitude)
  • Sun sensor analog output: The sun sensor has a view angle to the sky slightly
    larger than the interferometer FOV and is aligned to the interferometer
    line-of-sight. I(sunSensorIntensity)
  • Logical flag indicating whether longwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using LWskyNEN and
    LWskyNENlimit.(LWskyNENacceptable)
  • Stirling cycle cooler expander temperature(coolerExpanderTemp)
  • Radiance standard deviation during sky view averaged over (2510_2515 cm-1)(skyViewStdDevRadiance2510_2515)
  • Corrective offset for final ambient blackbody average temperature(ABBtempOffset)
  • Radiance standard deviation during hot blackbody view averaged over (2510_2515
    cm-1)(HBBviewStdDevRadiance2510_2515)
  • Ambient blackbody temperature(ABBbottomTemp)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Number of terms used in finite field of view correction(numberOfTerms)
  • Observation date(dateYYMMDD)
  • Corrective offset for final hot blackbody average temperature(HBBtempOffset)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Logical flag indicating whether shortwave channel noise equivalent radiance is
    acceptable in sky view (true/false). Determined using SWskyNEN and
    SWskyNENlimit.(SWskyNENacceptable)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Longwave window radiance average (985_990 cm-1)(longwaveWindowRadiance985_990)
  • Imaginary radiance during sky view averaged over (2282_2287 cm-1)(skyViewImaginaryRadiance2282_2287)
  • Characteristic value representing overall shortwave channel responsivity(SWresponsivity)
  • Shortwave window brightness temperature from radiance average (2510_2515 cm-1)(shortwaveWindowAirTemp2510_2515)
  • Hot blackbody temperature - apex(HBBapexTemp)
  • Maximum Temperature Difference Between HBB Thermistors(HBBmaxTempDiff)
  • Radiance standard deviation during sky view averaged over (700_705 cm-1)(skyViewStdDevRadiance700_705)
  • Noise-equivalent Radiance in Hot Blackbody at 2500 cm-1(SW_HBB_NEN)
  • Spare temperature sensor (location TBD)(spareTemp)
  • Radiance standard deviation during ambient blackbody view averaged over
    (2510_2515 cm-1)(ABBviewStdDevRadiance2510_2515)
  • Time (HHMMSS)(timeHHMMSS)
  • Interferometer front end fan airflow unheated temperature: used with heated
    temperature as measure of airflow.(frontEndFanAirUnheatedTemp)
  • Rain sensor analog output: the rain sensor is located inside the hatch near the
    sky aperture and is used to flag the critical condition of rain falling on
    the AERI s(rainSensorIntensity)
  • Julian Day including day and fraction of day(JulianDay)
  • Time at center of AERI sky observation period(Time)
  • Weight factor for top used in calculating ambient blackbody temperature average(ABBtopTempWeight)
  • Resistive temperature of 97 Kohm fixed resistor located in SCE-P4 shell(fixed97KohmResistor)
  • Maximum Standard Deviation in Thermistor Channels 0..7(maxSampleStdDev)
  • base time(base_time)
  • Dummy altitude for Zeb(alt)
  • Hot blackbody temperature - rim bottom(HBBbottomTemp)
  • The noise equivalent radiance observed in the longwave channel during a sky view
    at 1000 cm-1(LWskyNEN)
  • Weight factor for top used in calculating hot blackbody temperature average(HBBtopTempWeight)
  • Hot blackbody temperature - rim top(HBBtopTemp)
  • Number of views in a sequence(sceneMirPosCount)
  • Shortwave radiance average (2282_2287 cm-1) Elevated Air(elevatedLayerRadiance2282_2287)
  • Size of buffer holding initial spectrum(originalInterferogramSize)
  • Ambient air temperature near the interferometer(airNearInterferometerTemp)
  • Radiance standard deviation during sky view averaged over (985_990 cm-1)(skyViewStdDevRadiance985_990)
  • Radiance standard deviation during sky view averaged over (675_680 cm-1)(skyViewStdDevRadiance675_680)
  • lon(lon)
  • The maximum excursion of hot-blackbody temperature over 5 consecutive scenes,
    centered on the sky view(HBBtempDrift)
  • Radiance standard deviation during hot blackbody view averaged over (2295_2300
    cm-1)(HBBviewStdDevRadiance2295_2300)
  • Radiance standard deviation during hot blackbody view averaged over (985_990
    cm-1)(HBBviewStdDevRadiance985_990)
  • Instrument scene mirror position identifier(sceneMirrorPosition)
  • Radiance standard deviation during ambient blackbody view averaged over (985_990
    cm-1)(ABBviewStdDevRadiance985_990)
  • Laser wavenumber used in definition of output wavenumber scale(outputLaserWavenumber)
  • Limit applied to SWskyNEN in determination of SWskyNENacceptable(SWskyNENlimit)
  • Observation atmospheric pressure in AERI electronics(atmosphericPressure)
  • Blackbody controller Unit 2 power supply temperature(BBcontroller2temp)
  • Radiance standard deviation during ambient blackbody view averaged over (700_705
    cm-1)(ABBviewStdDevRadiance700_705)
  • Signal conditioning electronics inside air temperature(SCEtemp)
  • Imaginary radiance during sky view averaged over (985_990 cm-1)(skyViewImaginaryRadiance985_990)
  • Relative Humidity measured in the Interferometer Enclosure(interferometerEnclosureRelativeHumidity)
  • Interferometer front end fan airflow heated temperature: used with unheated
    temperature as measure of airflow.(frontEndFanAirHeatedTemp)
  • Limit applied to HBBtempDrift in determination of HBBstable flag(HBBtempDriftLimit)
  • Scene mirror motor case temperature(mirrorMotorTemp)
  • AERI interferometer temperature at second port(interferometerSecondPortTemp)
  • lat(lat)
  • Electronics rack ambient temperature measured at inside top of rack(rackAmbientTemp)
  • Characteristic value representing overall longwave channel responsivity(LWresponsivity)
  • Number of complete (forward+backward) interferogram scans in sample average(coadditionsCount)
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • Difference between frontEndFanAirHeatedTemp and frontEndFanAirUnheatedTemp
    indicative of front end air flow.(frontEndFanAirTempDiff)
  • Difference between actual and ideal motor encoder values for current view
    indicative of quality of the mirror positioning.(sceneMirPosEncoderDrift)
  • Longwave surface air brightness temperature from radiance average (675_680 cm-1)(surfaceLayerAirTemp675_680)

twpaerich1C2.a1:
  • lon(lon)
  • Wave number(wnum)
  • Type of scene that has been calibrated (ASCII character as float)(calibratedSceneID)
  • Observation date(dateYYMMDD)
  • Dummy altitude for Zeb(alt)
  • Ambient air temperature at hatch opening(outsideAirTemp)
  • Maximum departure from ideal of the mirror position over the course of all
    contributing views. Typically two hot, two ambient, and one scene view are
    examine(sceneMirPosEncoderMaxDrift)
  • Logical flag indicating whether hatch is open (true) or not open (false)(hatchOpen)
  • Duration of scene view(sceneViewDuration)
  • Ambient temperature used in calibration(calibrationAmbientTemp)
  • Mean of radiance spectra ensemble(mean_rad)
  • Time offset of tweaks from base_time(time_offset)
  • Observation longitude(Longitude)
  • Observation atmospheric pressure in AERI electronics(atmosphericPressure)
  • BB Support Structure Temperature(BBsupportStructureTemp)
  • base time(base_time)
  • Time (HHMMSS)(timeHHMMSS)
  • Hot blackbody temperature used in calibration(calibrationHBBtemp)
  • wavenumbers for standard deviation of radiance spectra(wnum2)
  • Observation latitude(Latitude)
  • Observation relative humidity at AERI blackbodies(atmosphericRelativeHumidity)
  • AERI instrument data channel number(channelNumber)
  • Julian Day including day and fraction of day(JulianDay)
  • Scene mirror view angle in non-negative degrees, measured clockwise looking into
    interferometer window.(sceneMirrorAngle)
  • Version number of Operational Software(systemReleaseNumber)
  • Standard deviation of radiance spectra ensemble(standard_dev_mean_rad)
  • Cold blackbody temperature used in calibration(calibrationCBBtemp)
  • Character string containing instrument name(instrumentUnitNumber)
  • Time at center of AERI sky observation period(Time)
  • Observation Altitude(Altitude)
  • Logical flag indicating that a data record is missing (true/false(missingDataFlag)
  • lat(lat)
  • AERI instrument unit serial number(AERIunitNumber)


Back To Table of Contents



END OF DATA