Data Quality Reports for Session: 127641 User: aeround Completed: 05/10/2010

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D080828.1HFE/MWR/M1 - Insufficient calibration stabilityhfemwrlosM1.b1, hfemwrtipM1.a1
D090311.3HFE/MWR/M1 - Missing datahfemwrlosM1.b1, hfemwrtipM1.a1


DQRID : D080828.1
Start DateStart TimeEnd DateEnd Time
09/06/2008000009/26/20082359
10/01/2008000010/06/20081500
10/16/2008020110/16/20082359
10/20/2008000010/23/20082359
Subject:
HFE/MWR/M1 - Insufficient calibration stability
DataStreams:hfemwrlosM1.b1, hfemwrtipM1.a1
Description:
The noise diode temperature suddenly jumped to > 60 C after a power outage. Following 
additional power problems the noise diode injection temperature drifted fast and the 
radiometer was not able to calibrate properly.

Data during the indicated time periods are poorly calibrated and sometimes erratic. Users 
should be aware that the accuracy of the measurements is dramatically degraded. 

Users can use the microwave profiler (MWRP) data to supplement the MWR data.
Measurements:hfemwrlosM1.b1:
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • MWR column precipitable water vapor(vap)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • (tknd)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Mixer kinetic (physical) temperature(tkxc)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • Averaged total liquid water along LOS path(liq)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Sky brightness temperature at 23.8 GHz(tbsky23)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
hfemwrtipM1.a1:
  • 31.4 GHz sky brightness temperature derived from tip curve(tbsky31tip)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbsky23tip)
  • Mixer kinetic (physical) temperature(tkxc)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • (tknd)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)

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DQRID : D090311.3
Start DateStart TimeEnd DateEnd Time
10/06/2008150110/16/20080200
10/17/2008000010/19/20082359
10/24/2008000010/26/20082359
11/09/2008000012/28/20080000
Subject:
HFE/MWR/M1 - Missing data
DataStreams:hfemwrlosM1.b1, hfemwrtipM1.a1
Description:
Data are missing and unrecoverable.
Measurements:hfemwrlosM1.b1:
  • 23.8 GHz Blackbody signal(bb23)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Time offset of tweaks from base_time(time_offset)
  • Mixer kinetic (physical) temperature(tkxc)
  • Dummy altitude for Zeb(alt)
  • Sky brightness temperature at 31.4 GHz(tbsky31)
  • 31.4 GHz blackbody(bb31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • 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 23.8 GHz(tnd_nom23)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Blackbody kinetic temperature(tkbb)
  • 23.8 GHz sky signal(sky23)
  • 23.8 GHz blackbody+noise injection signal(bbn23)
  • MWR column precipitable water vapor(vap)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • (tknd)
  • Ambient temperature(tkair)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • lat(lat)
  • Averaged total liquid water along LOS path(liq)
  • base time(base_time)
  • lon(lon)
  • 31.4 GHz sky signal(sky31)
  • time(time)
  • Sky Infra-Red Temperature(sky_ir_temp)
hfemwrtipM1.a1:
  • 31.4 GHz sky signal(tipsky31)
  • 23.8 GHz Blackbody signal(bb23)
  • base time(base_time)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • Time offset of tweaks from base_time(time_offset)
  • lon(lon)
  • 31.4 GHz blackbody(bb31)
  • 23.8 GHz sky signal(tipsky23)
  • 23.8 GHz sky brightness temperature derived from tip curve(tbsky23tip)
  • Temperature correction coefficient at 23.8 GHz(tc23)
  • Ambient temperature(tkair)
  • Water on Teflon window (1=WET, 0=DRY)(wet_window)
  • 31.4 GHz sky brightness temperature derived from tip curve(tbsky31tip)
  • 31.4 GHz goodness-of-fit coefficient(r31)
  • Noise injection temp at 23.8 GHz adjusted to tkbb(tnd23)
  • Noise injection temp at nominal temperature at 23.8 GHz(tnd_nom23)
  • lat(lat)
  • time(time)
  • Noise injection temp at 23.8 GHz derived from this tip(tnd23I)
  • Actual Azimuth(actaz)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • Dummy altitude for Zeb(alt)
  • 23.8 GHz goodness-of-fit coefficient(r23)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • Mixer kinetic (physical) temperature(tkxc)
  • Actual elevation angle(actel)
  • (tknd)
  • Blackbody kinetic temperature(tkbb)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • 23.8 GHz blackbody+noise injection signal(bbn23)

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END OF DATA