Data Quality Reports for Session: 127121 User: anuskitade Completed: 04/06/2010

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D050725.9TWP/MWR/C1 - Reprocessed: Revised Retrieval Coefficientstwp5mwravgC1.c1, twpmwrlosC1.b1, twpmwrtipC1.a1
D050928.1TWP/MWR/C1 - New software version (4.15) installedtwpmwrlosC1.b1, twpmwrtipC1.a1
D061114.2TWP/MWR/C1 - Radiometer failuretwpmwrC1.00, twpmwrlosC1.b1, twpmwrtipC1.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
D081013.2TWP/MWR/C1 - Short periods of wrong ambient temperaturetwpmwrlosC1.b1, twpmwrtipC1.a1
D090114.4TWP/MWR/C1 - Ambient temperature data missingtwpmwrlosC1.b1, twpmwrtipC1.a1


DQRID : D050725.9
Start DateStart TimeEnd DateEnd Time
05/04/2002020006/30/20052100
Subject:
TWP/MWR/C1 - Reprocessed: Revised Retrieval Coefficients
DataStreams:twp5mwravgC1.c1, twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
IN THE BEGINNING (June 1992), the retrieval coefficients used to derive 
the precipitable water vapor (PWV) and liquid water path (LWP) from the 
MWR brightness temperatures were based on the Liebe and Layton (1987) 
water vapor and oxygen absorption model and the Grant (1957) liquid 
water absorption model.

Following the SHEBA experience, revised retrievals based on the more 
recent Rosenkranz (1998) water vapor and oxygen absorption models and 
the Liebe (1991) liquid waer absorption model were developed.  The 
Rosenkranz water vapor absorption model resulted a 2 percent increase 
in PWV relative to the earlier Liebe and Layton model.  The Liebe 
liquid water absorption model decreased the LWP by 10% relative to the 
Grant model.  However, the increased oxygen absorption caused a 
0.02-0.03 mm (20-30 g/m2) reduction in LWP, which was particularly 
significant for low LWP conditions (i.e. thin clouds encountered at 
SHEBA).

Recently, it has been shown (Liljegren, Boukabara, Cady-Pereira, and 
Clough, TGARS v. 43, pp 1102-1108, 2005) that the half-width of the 
22 GHz water vapor line from the HITRAN compilation, which is 5 percent 
smaller than the Liebe and Dillon (1969) half-width used in Rosenkranz 
(1998), provided a better fit to the microwave brightness temperature 
measurements at 5 frequencies in the range 22-30 GHz, and yielded more 
accurate retrievals. Accordingly, revised MWR retrieval coefficients 
have been developed using MONORTM, which utilizes the HITRAN compilation 
for its spectroscopic parameters.  These new retrievals provide 3 
percent less PWV and 2.6 percent greater LWP than the previous 
retrievals based on Rosenkranz (1998).

The Rosenkranz-based retrieval coefficients became active at TWP.C1 
20020504.0200.  The MONORTM-based retrieval coefficients became active 
at TWP.C1 20050630.2100.

Note: The TWP.C1 data for 19961011-20050630 have been reprocessed to apply the
Measurements:twp5mwravgC1.c1:
  • Averaged total liquid water along LOS path(liq)
  • MWR column precipitable water vapor(vap)
twpmwrtipC1.a1:
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
twpmwrlosC1.b1:
  • Averaged total liquid water along LOS path(liq)
  • MWR column precipitable water vapor(vap)

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DQRID : D050928.1
Start DateStart TimeEnd DateEnd Time
10/31/2002220009/13/20051854
Subject:
TWP/MWR/C1 - New software version (4.15) installed
DataStreams:twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
A problem began with the installation of MWR.EXE version 4.12 in October 2002. The 
software had been upgraded from a "DOS" to a "Windows"-compiled program to address an earlier 
problem.  The software upgrade corrected the earlier problem but introduced a new one that 
caused line-of-sight observing cycles to be skipped, a 15% reduction in the number of tip 
curves, and saturation of CPU usage.  Software versions 4.13 and 4.14 also produced 
these problems.

The new MWR software version (4.15) was installed on 9/13/2005. As a consequence of this 
upgrade, the tip curve frequency increased. The tip cycle time decreased from ~60s to ~50s.
Measurements:twpmwrtipC1.a1:
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • 31.4 GHz sky signal(tipsky31)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • IR Brightness Temperature(ir_temp)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • (tknd)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Blackbody temperature 1(tkbb1)
  • Blackbody temperature 2(tkbb2)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • 31.4 GHz blackbody(bb31)
  • Mixer kinetic (physical) temperature(tkxc)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Blackbody kinetic temperature(tkbb)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Tip configuration number(tipn)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • Ambient temperature(tkair)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • 23.8 GHz Blackbody signal(bb23)
  • 23.8 GHz sky signal(tipsky23)
twpmwrlosC1.b1:
  • Ambient temperature(tkair)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • IR Brightness Temperature(ir_temp)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Averaged total liquid water along LOS path(liq)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • (tknd)
  • 31.4 GHz blackbody(bb31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 23.8 GHz sky signal(sky23)
  • Mixer kinetic (physical) temperature(tkxc)
  • 31.4 GHz sky signal(sky31)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Blackbody kinetic temperature(tkbb)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz Blackbody signal(bb23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • MWR column precipitable water vapor(vap)

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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)
twpmwrtipC1.a1:
  • 31.4 GHz blackbody(31bb)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Dummy altitude for Zeb(alt)
  • 31.4 GHz noise diode calib adjusted to tknd_nom and low_pass filltered(31expave)
  • 31.4 GHz sky signal(tipsky31)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • 23.8 GHz noise diode calib adjusted to tknd_nom and low_pass filltered(23expave)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz noise diode calib (injection temp) at Tkxc(23ndiode)
  • IR Brightness Temperature(ir_temp)
  • 31.4 GHz sky signal(31tipsky)
  • base time(base_time)
  • 23.8 GHz sky signal+noise injection signal(23tipskynd)
  • Airmass value(airm)
  • Actual elevation angle(actel)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 31.4 GHz calibration curve slope(31gain)
  • Actual Azimuth(actaz)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • 31.4 GHz blackbody signal(31tipbb)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 23.8 GHz calibration curve offset(23tbzenith)
  • 23.8 GHz blackbody+noise injection signal(23bbn)
  • 31.4 GHz blackbody+noise injection signal(31bbn)
  • 31.4 GHz sky signal+noise injection signal(31tipskynd)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • 31.4 GHz goodness-of-fit coefficient(31r)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 23.8 GHz blackbody signal(23tipbb)
  • (tknd)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • 23.8 GHz Blackbody signal(23bb)
  • Blackbody temperature 1(tkbb1)
  • Blackbody temperature 2(tkbb2)
  • 23.8 GHz sky signal(23tipsky)
  • 23.8 GHz calibration curve slope(23gain)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • 31.4 GHz blackbody(bb31)
  • Mixer kinetic (physical) temperature(tkxc)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Blackbody kinetic temperature(tkbb)
  • Tip configuration number(tipn)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • lon(lon)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • Time offset of tweaks from base_time(time_offset)
  • Ambient temperature(tkair)
  • 31.4 GHz noise diode calib (injection temp) at Tkxc(31ndiode)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • lat(lat)
  • 23.8 GHz Blackbody signal(bb23)
  • 23.8 GHz sky signal(tipsky23)
  • 31.4 GHz calibration curve offset(31tbzenith)
  • 23.8 GHz goodness-of-fit coefficient(23r)
twpmwrlosC1.b1:
  • Ambient temperature(tkair)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • lon(lon)
  • Actual Azimuth(actaz)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • IR Brightness Temperature(ir_temp)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Averaged total liquid water along LOS path(liq)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • lat(lat)
  • (tknd)
  • Dummy altitude for Zeb(alt)
  • Actual elevation angle(actel)
  • 31.4 GHz blackbody(bb31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 23.8 GHz sky signal(sky23)
  • Mixer kinetic (physical) temperature(tkxc)
  • 31.4 GHz sky signal(sky31)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Blackbody kinetic temperature(tkbb)
  • Time offset of tweaks from base_time(time_offset)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz Blackbody signal(bb23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • base time(base_time)
  • MWR column precipitable water vapor(vap)

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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:
  • Actual elevation angle(actel)
  • Ambient temperature(tkair)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • lon(lon)
  • Actual Azimuth(actaz)
  • 31.4 GHz blackbody(bb31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 23.8 GHz sky signal(sky23)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • Mixer kinetic (physical) temperature(tkxc)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • IR Brightness Temperature(ir_temp)
  • 31.4 GHz sky signal(sky31)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Blackbody kinetic temperature(tkbb)
  • Time offset of tweaks from base_time(time_offset)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz Blackbody signal(bb23)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Averaged total liquid water along LOS path(liq)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • lat(lat)
  • (tknd)
  • base time(base_time)
  • Dummy altitude for Zeb(alt)
  • MWR column precipitable water vapor(vap)

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DQRID : D070412.3
Start DateStart TimeEnd DateEnd Time
03/07/2007000004/02/20072359
03/01/2008000004/02/20082359
09/10/2008000010/12/20080000
03/01/2009000004/02/20092359
09/11/2009000010/10/20092359
Subject:
TWP/MWR/C1/C2 - Sun in the field of view
DataStreams:twpmwrlosC1.b1, twpmwrlosC2.b1, twpmwrtipC1.a1, twpmwrtipC2.a1
Description:
Every day between around noon local time (usually between 1 and 2 AM UTC time) there is an 
increase in the brightness temperatures due to the sun in the field of view of the 
radiometer.
Measurements:twpmwrtipC2.a1:
  • 23.8 GHz sky signal(tipsky23)
  • 31.4 GHz sky signal(tipsky31)
twpmwrtipC1.a1:
  • 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 brightness temperature derived from tip curve(tbskytip23)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
twpmwrlosC1.b1:
  • Averaged total liquid water along LOS path(liq)
  • 23.8 GHz sky signal(sky23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • 31.4 GHz sky signal(sky31)
  • MWR column precipitable water vapor(vap)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
twpmwrlosC2.b1:
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • 31.4 GHz sky signal(sky31)
  • 23.8 GHz sky signal(sky23)
  • Averaged total liquid water along LOS path(liq)
  • MWR column precipitable water vapor(vap)
  • Sky brightness temperature at 23.8 GHz(tbsky23)

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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:twpmwrtipC1.a1:
  • 31.4 GHz blackbody(31bb)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Dummy altitude for Zeb(alt)
  • 31.4 GHz noise diode calib adjusted to tknd_nom and low_pass filltered(31expave)
  • 31.4 GHz sky signal(tipsky31)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • 23.8 GHz noise diode calib adjusted to tknd_nom and low_pass filltered(23expave)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz noise diode calib (injection temp) at Tkxc(23ndiode)
  • IR Brightness Temperature(ir_temp)
  • 31.4 GHz sky signal(31tipsky)
  • base time(base_time)
  • 23.8 GHz sky signal+noise injection signal(23tipskynd)
  • Airmass value(airm)
  • Actual elevation angle(actel)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 31.4 GHz calibration curve slope(31gain)
  • Actual Azimuth(actaz)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • 31.4 GHz blackbody signal(31tipbb)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 23.8 GHz calibration curve offset(23tbzenith)
  • 23.8 GHz blackbody+noise injection signal(23bbn)
  • 31.4 GHz blackbody+noise injection signal(31bbn)
  • 31.4 GHz sky signal+noise injection signal(31tipskynd)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • 31.4 GHz goodness-of-fit coefficient(31r)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 23.8 GHz blackbody signal(23tipbb)
  • (tknd)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbskytip23)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • 23.8 GHz Blackbody signal(23bb)
  • Blackbody temperature 1(tkbb1)
  • Blackbody temperature 2(tkbb2)
  • 23.8 GHz sky signal(23tipsky)
  • 23.8 GHz calibration curve slope(23gain)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • 31.4 GHz blackbody(bb31)
  • Mixer kinetic (physical) temperature(tkxc)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Blackbody kinetic temperature(tkbb)
  • Tip configuration number(tipn)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • lon(lon)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • Time offset of tweaks from base_time(time_offset)
  • Ambient temperature(tkair)
  • 31.4 GHz noise diode calib (injection temp) at Tkxc(31ndiode)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • lat(lat)
  • 23.8 GHz Blackbody signal(bb23)
  • 23.8 GHz sky signal(tipsky23)
  • 31.4 GHz calibration curve offset(31tbzenith)
  • 23.8 GHz goodness-of-fit coefficient(23r)
twpmwrlosC1.b1:
  • Ambient temperature(tkair)
  • Sky Infra-Red Temperature(sky_ir_temp)
  • lon(lon)
  • Actual Azimuth(actaz)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • IR Brightness Temperature(ir_temp)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Averaged total liquid water along LOS path(liq)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • lat(lat)
  • (tknd)
  • Dummy altitude for Zeb(alt)
  • Actual elevation angle(actel)
  • 31.4 GHz blackbody(bb31)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • 23.8 GHz sky signal(sky23)
  • Mixer kinetic (physical) temperature(tkxc)
  • 31.4 GHz sky signal(sky31)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Blackbody kinetic temperature(tkbb)
  • Time offset of tweaks from base_time(time_offset)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 23.8 GHz Blackbody signal(bb23)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • base time(base_time)
  • MWR column precipitable water vapor(vap)

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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:twpmwrtipC1.a1:
  • Ambient temperature(tkair)
twpmwrlosC1.b1:
  • Ambient temperature(tkair)

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DQRID : D081013.2
Start DateStart TimeEnd DateEnd Time
09/01/2008000009/30/20082359
Subject:
TWP/MWR/C1 - Short periods of wrong ambient temperature
DataStreams:twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
During this month there are a few intermittent instances of bad ambient temperature 
readings. I will summarize here these short time ranges:
20080909 between 02:00 and 03:00 UTC
20080909 between 09:00 and 14:00 UTC

Additionally the ambient temperature has short but frequent data gaps.  The data gaps are 
very short (less than one hour). Users could interpolate missing data or use alternative 
sensors such as the surface meteorological data available for the site.
Measurements:twpmwrtipC1.a1:
  • Ambient temperature(tkair)
twpmwrlosC1.b1:
  • Ambient temperature(tkair)

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DQRID : D090114.4
Start DateStart TimeEnd DateEnd Time
12/03/2008190002/06/20090530
Subject:
TWP/MWR/C1 - Ambient temperature data missing
DataStreams:twpmwrlosC1.b1, twpmwrtipC1.a1
Description:
The ambient temperature readings (tkair) suddenly failed. The sensor was replaced on Feb 
6.
Measurements:twpmwrtipC1.a1:
  • Ambient temperature(tkair)
twpmwrlosC1.b1:
  • Ambient temperature(tkair)

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END OF DATA