DQRID : D140620.1
Start DateStart TimeEnd DateEnd Time
05/14/2014000005/20/20140237
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Subject:
TWP/MWR/C1 - Instrument malfunction
DataStreams:twpmwrtipC1.a1, twpmwrlosC1.b1
Description:
The instrument had a malfunction of the 31 GHz channel and was shutdown. Users should not 
use the data during this time.
Suggestions: 
Measurements:twpmwrlosC1.b1:
  • Mean 31.4 GHz sky brightness temperature(tbsky31)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Total water vapor along LOS path(vap)
  • 31.4 GHz sky signal(sky31)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • 31.4 GHz blackbody(bb31)
  • Averaged total liquid water along LOS path(liq)
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twpmwrtipC1.a1:
  • Correlation coefficients for tip curve at 31.4 GHz(r31)
  • Noise injection temp at 31.4 GHz derived from this tip(tnd31I)
  • 31.4 GHz goodness-of-fit coefficient(31r)
  • 31.4 GHz blackbody(bb31)
  • Total liquid water along zenith path using tip-derived brightness temperatures(liqtip)
  • Noise injection temp at 31.4 GHz adjusted to tkbb(tnd31)
  • 31.8 GHz sky brightness temperature derived from tip curve(tbskytip31)
  • 31.4 GHz sky signal+noise injection signal(31tipskynd)
  • Total water vapor along zenith path using tip-derived brightness temperatures(vaptip)
  • 31.4 GHz sky signal(tipsky31)
  • 31.4 GHz blackbody(31bb)
  • 31.4 GHz blackbody signal(31tipbb)
  • 31.4 GHz calibration curve offset(31tbzenith)
  • 31.4 GHz calibration curve slope(31gain)
  • 31.4 GHz blac2body+noise injection signal(bbn31)
  • 31.4 GHz noise diode calib (injection temp) at Tkxc(31ndiode)
  • Temperature correction coefficient at 31.4 GHz(tc31)
  • Noise injection temp at nominal temperature at 31.4 GHz(tnd_nom31)
  • 31.4 GHz blackbody+noise injection signal(31bbn)
  • 31.4 GHz sky signal(31tipsky)
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