Data Quality Reports for Session: 114341 User: rutan Completed: 09/24/2008

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060601.1TWP/MWR/C3 - Site shutdowntwpmwrC3.00, twpmwrlosC3.a1, twpmwrlosC3.b1, twpmwrtipC3.a1
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
D070105.1TWP/MWR/C1 - Missing datatwpmwrlosC1.b1
D070412.3TWP/MWR/C1/C2 - Sun in the field of viewtwpmwrlosC1.b1, twpmwrlosC2.b1, twpmwrtipC1.a1, twpmwrtipC2.a1
D070613.1TWP/MWR/C1 - Intermittent datatwpmwrlosC1.b1, twpmwrtipC1.a1
D071208.1TWP/MWR/C1 - Incorrect ambient temperature readingstwpmwrlosC1.b1, twpmwrtipC1.a1


DQRID : D060601.1
Start DateStart TimeEnd DateEnd Time
04/24/2006000004/25/20062259
Subject:
TWP/MWR/C3 - Site shutdown
DataStreams:twpmwrC3.00, twpmwrlosC3.a1, twpmwrlosC3.b1, twpmwrtipC3.a1
Description:
On 4/24, the site was shutdown in preparation for a cyclone. Instruments were back up on 
4/25 at 22:59
Measurements:twpmwrlosC3.a1:
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • MWR column precipitable water vapor(vap)
  • 23.8 GHz Blackbody signal(bb23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • base time(base_time)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Mixer kinetic (physical) temperature(tkxc)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • (tknd)
  • Averaged total liquid water along LOS path(liq)
  • Dummy altitude for Zeb(alt)
  • 31.4 GHz blackbody(bb31)
  • lon(lon)
  • Ambient temperature(tkair)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • 23.8 GHz sky signal(sky23)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • lat(lat)
  • Time offset of tweaks from base_time(time_offset)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Blackbody kinetic temperature(tkbb)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 31.4 GHz sky signal(sky31)
twpmwrlosC3.b1:
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • lon(lon)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Time offset of tweaks from base_time(time_offset)
  • MWR column precipitable water vapor(vap)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • (tknd)
  • Ambient temperature(tkair)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • base time(base_time)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Dummy altitude for Zeb(alt)
  • 23.8 GHz Blackbody signal(bb23)
  • Averaged total liquid water along LOS path(liq)
  • 31.4 GHz blackbody(bb31)
  • 31.4 GHz sky signal(sky31)
  • 23.8 GHz sky signal(sky23)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • lat(lat)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • Blackbody kinetic temperature(tkbb)
  • Mixer kinetic (physical) temperature(tkxc)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
twpmwrtipC3.a1:
  • Ambient temperature(tkair)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • 23.8 GHz sky signal(tipsky23)
  • 31.4 GHz blackbody(bb31)
  • Time offset of tweaks from base_time(time_offset)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • base time(base_time)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 23.8 GHz Blackbody signal(bb23)
  • Blackbody kinetic temperature(tkbb)
  • (tknd)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • lon(lon)
  • Mixer kinetic (physical) temperature(tkxc)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • 31.4 GHz sky signal(tipsky31)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • Dummy altitude for Zeb(alt)
  • lat(lat)
  • Actual elevation angle(actel)
  • Actual Azimuth(actaz)
twpmwrC3.00:
  • null(Raw data stream - documentation not supported)

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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)
  • Sky brightness temperature at 23.8 GHz(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)
  • Sky brightness temperature at 31.4 GHz(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:
  • null(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)
  • Sky brightness temperature at 31.4 GHz(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)
  • Sky brightness temperature at 23.8 GHz(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:
  • null(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)
  • Sky brightness temperature at 23.8 GHz(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)
  • Sky brightness temperature at 31.4 GHz(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)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Sky brightness temperature at 23.8 GHz(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)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • MWR column precipitable water vapor(vap)
  • Sky brightness temperature at 31.4 GHz(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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DQRID : D070105.1
Start DateStart TimeEnd DateEnd Time
12/09/1996233812/11/19960003
02/28/1997011806/27/19972048
11/06/1997195911/12/19971800
01/05/1998020401/08/19982048
04/21/1998001704/29/19981803
09/13/1998075909/20/19980900
11/20/1998222611/27/19981026
02/27/1999060003/02/19990159
03/06/1999080003/09/19991807
09/03/1999030009/10/19990400
10/01/1999090010/18/19990000
10/20/1999050010/22/19990600
01/14/2000080001/16/20000342
01/14/2006125801/16/20060638
Subject:
TWP/MWR/C1 - Missing data
DataStreams:twpmwrlosC1.b1
Description:
Data are missing and unrecoverable.
Measurements:twpmwrlosC1.b1:
  • (tknd)
  • 31.4 GHz blackbody(bb31)
  • Mixer kinetic (physical) temperature(tkxc)
  • 31.4 GHz sky signal(sky31)
  • base time(base_time)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Dummy altitude for Zeb(alt)
  • Actual elevation angle(actel)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • IR Brightness Temperature(ir_temp)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 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)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • 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)
  • Actual Azimuth(actaz)
  • 23.8 GHz Blackbody signal(bb23)
  • 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)
  • Blackbody kinetic temperature(tkbb)
  • lat(lat)

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DQRID : D070412.3
Start DateStart TimeEnd DateEnd Time
03/07/2007000004/02/20072359
03/01/2008000004/02/20082359
Subject:
TWP/MWR/C1/C2 - Sun in the field of view
DataStreams:twpmwrlosC1.b1, twpmwrlosC2.b1, twpmwrtipC1.a1, twpmwrtipC2.a1
Description:
Every day between 3/7 and 4/2 around noon local time there is an increase in the 
brightness temperatures due to the sun in the field of vie of the radiometer.
Measurements:twpmwrlosC2.b1:
  • 31.4 GHz sky signal(sky31)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • MWR column precipitable water vapor(vap)
  • 23.8 GHz sky signal(sky23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Averaged total liquid water along LOS path(liq)
twpmwrlosC1.b1:
  • MWR column precipitable water vapor(vap)
  • 31.4 GHz sky signal(sky31)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Averaged total liquid water along LOS path(liq)
  • 23.8 GHz sky signal(sky23)
twpmwrtipC1.a1:
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
twpmwrtipC2.a1:
  • 31.4 GHz sky signal(tipsky31)
  • 23.8 GHz sky signal(tipsky23)

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DQRID : D070613.1
Start DateStart TimeEnd DateEnd Time
06/12/2007070006/13/20072000
06/16/2007210006/17/20072100
Subject:
TWP/MWR/C1 - Intermittent data
DataStreams:twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
After a computer change the MWR program did not restart properly.  Data are intermittent 
between 6/12 and 6/17.
Measurements: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)
  • Sky brightness temperature at 23.8 GHz(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)
  • Sky brightness temperature at 31.4 GHz(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 : D071208.1
Start DateStart TimeEnd DateEnd Time
11/21/2007000012/11/20070355
Subject:
TWP/MWR/C1 - Incorrect ambient temperature readings
DataStreams:twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
Starting on 11/21 the ambient temperature readings are intermittent and have spikes.
Site operators replaced the dew-blower on 12/11 and readings came back to normal
Measurements:twpmwrlosC1.b1:
  • Ambient temperature(tkair)
twpmwrtipC1.a1:
  • Ambient temperature(tkair)

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END OF DATA