Data Quality Reports for Session: 107813 User: ql_data Completed: 09/17/2007

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D061002.1TWP/MWR/C2 - Missing datatwp5mwravgC2.c1, twpmwrC2.00, twpmwrlosC2.b1, twpmwrtipC2.a1
D061114.2TWP/MWR/C1 - Radiometer failuretwpmwrC1.00, twpmwrlosC1.b1, twpmwrtipC1.a1
D061114.4TWP/MWR/C3 - Sun in field of view of radiometertwpmwrlosC3.b1, twpmwrtipC3.a1
D061213.3TWP/MWR/C2 - Reprocessed: New Calibration coefficientstwpmwrlosC2.b1, twpmwrtipC2.a1


DQRID : D061002.1
Start DateStart TimeEnd DateEnd Time
09/14/2006150011/27/20061900
Subject:
TWP/MWR/C2 - Missing data
DataStreams:twp5mwravgC2.c1, twpmwrC2.00, twpmwrlosC2.b1, twpmwrtipC2.a1
Description:
The heater blower assembly was causing the fuse to blow.  The instrument was taken offline 
until a replacement arrives.
Measurements:twpmwrlosC2.b1:
  • 31.4 GHz sky signal(sky31)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Mixer kinetic (physical) temperature(tkxc)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Blackbody kinetic temperature(tkbb)
  • lat(lat)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
  • 31.4 GHz blackbody(bb31)
  • MWR column precipitable water vapor(vap)
  • 23.8 GHz sky signal(sky23)
  • Ambient temperature(tkair)
  • IR Brightness Temperature(ir_temp)
  • base time(base_time)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Averaged total liquid water along LOS path(liq)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • lon(lon)
  • 23.8 GHz Blackbody signal(bb23)
  • (tknd)
  • Actual Azimuth(actaz)
  • Time offset of tweaks from base_time(time_offset)
  • Actual elevation angle(actel)
  • Dummy altitude for Zeb(alt)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • Temperature correction coefficient at 31.4 GHz(tc31)
twpmwrC2.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
twp5mwravgC2.c1:
  • lat(lat)
  • Standard deviation about the mean for the total water vapor amount(vap_sdev)
  • lon(lon)
  • Fraction of data in averaging interval with water on Teflon window(water_flag_fraction)
  • Averaged total liquid water along LOS path(liq)
  • Standard deviation about the mean for the 31.4 GHz sky brightness temperature(tbsky31_sdev)
  • IR Brightness Temperature(ir_temp)
  • Time offset of tweaks from base_time(time_offset)
  • Number of data points averaged for 23tbsky, 31tbsky, vap & liq(num_obs)
  • Standard deviation about the mean for the 23.8 GHz sky brightness temperature(tbsky23_sdev)
  • Dummy altitude for Zeb(alt)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Number of points included in the ir_temp ensemble(num_obs_irt)
  • base time(base_time)
  • Standard deviation about the mean for the IR brightness temperature(ir_temp_sdev)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
  • MWR column precipitable water vapor(vap)
  • Standard deviation about the mean for the total liquid water amount(liq_sdev)
twpmwrtipC2.a1:
  • 31.4 GHz sky signal(tipsky31)
  • lat(lat)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • Actual Azimuth(actaz)
  • 23.8 GHz sky signal(tipsky23)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 31.4 GHz blackbody(bb31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Ambient temperature(tkair)
  • Dummy altitude for Zeb(alt)
  • (tknd)
  • base time(base_time)
  • Blackbody kinetic temperature(tkbb)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • Time offset of tweaks from base_time(time_offset)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Actual elevation angle(actel)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • 23.8 GHz Blackbody signal(bb23)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • lon(lon)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Mixer kinetic (physical) temperature(tkxc)

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DQRID : D061114.2
Start DateStart TimeEnd DateEnd Time
10/09/2006100001/30/20070457
Subject:
TWP/MWR/C1 - Radiometer failure
DataStreams:twpmwrC1.00, twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
The instrument stopped responding and had to be powered off. Suspect cause of failure is a 
faulty digital board.
Measurements:twpmwrC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
twpmwrlosC1.b1:
  • Mixer kinetic (physical) temperature(tkxc)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • IR Brightness Temperature(ir_temp)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
  • Actual Azimuth(actaz)
  • 23.8 GHz Blackbody signal(bb23)
  • Blackbody kinetic temperature(tkbb)
  • lat(lat)
  • 31.4 GHz blackbody(bb31)
  • (tknd)
  • 31.4 GHz sky signal(sky31)
  • base time(base_time)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Dummy altitude for Zeb(alt)
  • Actual elevation angle(actel)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • MWR column precipitable water vapor(vap)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Ambient temperature(tkair)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Time offset of tweaks from base_time(time_offset)
  • Averaged total liquid water along LOS path(liq)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • 23.8 GHz sky signal(sky23)
  • lon(lon)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
twpmwrtipC1.a1:
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • 31.4 GHz goodness-of-fit coefficient(31r)
  • 31.4 GHz blackbody(31bb)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • lat(lat)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • 23.8 GHz noise diode calib (injection temp) at Tkxc(23ndiode)
  • Actual elevation angle(actel)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • Tip configuration number(tipn)
  • 23.8 GHz Blackbody signal(23bb)
  • Mixer kinetic (physical) temperature(tkxc)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 31.4 GHz blackbody signal(31tipbb)
  • base time(base_time)
  • IR Brightness Temperature(ir_temp)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz calibration curve slope(23gain)
  • Airmass value(airm)
  • 31.4 GHz sky signal(tipsky31)
  • 23.8 GHz Blackbody signal(bb23)
  • 23.8 GHz blackbody signal(23tipbb)
  • Ambient temperature(tkair)
  • Time offset of tweaks from base_time(time_offset)
  • 31.4 GHz noise diode calib adjusted to tknd_nom and low_pass filltered(31expave)
  • lon(lon)
  • (tknd)
  • 23.8 GHz blackbody+noise injection signal(23bbn)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • 23.8 GHz calibration curve offset(23tbzenith)
  • Blackbody kinetic temperature(tkbb)
  • 31.4 GHz sky signal+noise injection signal(31tipskynd)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)
  • 31.4 GHz calibration curve offset(31tbzenith)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 31.4 GHz sky signal(31tipsky)
  • 23.8 GHz sky signal(23tipsky)
  • 23.8 GHz sky signal(tipsky23)
  • Dummy altitude for Zeb(alt)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • 23.8 GHz goodness-of-fit coefficient(23r)
  • 31.4 GHz noise diode calib (injection temp) at Tkxc(31ndiode)
  • 31.4 GHz blackbody+noise injection signal(31bbn)
  • 31.4 GHz calibration curve slope(31gain)
  • 31.4 GHz blackbody(bb31)
  • Blackbody temperature 1(tkbb1)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • 23.8 GHz noise diode calib adjusted to tknd_nom and low_pass filltered(23expave)
  • Blackbody temperature 2(tkbb2)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • 23.8 GHz sky signal+noise injection signal(23tipskynd)
  • Actual Azimuth(actaz)

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DQRID : D061114.4
Start DateStart TimeEnd DateEnd Time
10/20/2006000011/09/20060400
Subject:
TWP/MWR/C3 - Sun in field of view of radiometer
DataStreams:twpmwrlosC3.b1, twpmwrtipC3.a1
Description:
Each day from 9/20 and 10/9 around local noon, there is an increase in the brightness 
temperature due to the sun being in the field of view of the radiometer.
Measurements:twpmwrlosC3.b1:
  • MWR column precipitable water vapor(vap)
  • Averaged total liquid water along LOS path(liq)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
twpmwrtipC3.a1:
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • 23.8 GHz sky signal(tipsky23)
  • 31.4 GHz sky signal(tipsky31)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)

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DQRID : D061213.3
Start DateStart TimeEnd DateEnd Time
11/27/2006190011/30/20060700
Subject:
TWP/MWR/C2 - Reprocessed: New Calibration coefficients
DataStreams:twpmwrlosC2.b1, twpmwrtipC2.a1
Description:
On 11/27 a spare radiometer was installed to replace a faulty radiometer. Once the 
radiometer started to collect data it used the default calibration coefficients until it 
collected enough tip data to determine its own coefficients.

The data were reprocessed to apply corrected calibrations and the reprocessed data were 
archived 20061222.
Measurements:twpmwrlosC2.b1:
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Mean 23.8 GHz sky brightness temperature(tbsky23)
  • MWR column precipitable water vapor(vap)
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Averaged total liquid water along LOS path(liq)
twpmwrtipC2.a1:
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Temperature correction coefficient at 31.4 GHz(tc31)

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END OF DATA