DQRID : D110511.1
Start DateStart TimeEnd DateEnd Time
04/04/2011130004/27/20111100
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Subject:
NSA/MWRP/C1 - Incorrect brightness temperatures
DataStreams:nsamwrpC1.b1
Description:
The radiometer was reinstalled on 4/3/2011 but the 30 GHz data immediately appeared 
extremely noisy. The problem appears related to noise diode instability.
Suggestions: 
Do not use data and retrievals during the indicated time
Measurements:nsamwrpC1.b1:
  • Lifting condensation level(liftingCondensationLevel)
  • Interpolated water vapor mixing ratio(waterVaporMixingRatio)
  • Microwave brightness temperature(brightnessTemperature)
  • Interpolated dewpoint temperature(dewpointTemperature)
  • Equilibrium level(equilibriumLevel)
  • Retrieved total precipitable water vapor using only 23.835 and 30.0 GHz(totalPrecipitableWater2)
  • Temperature used for calculation(temperature)
  • Derived relative humidity(relativeHumidity)
  • Retrieved cloud liquid water content(liquidWaterContent)
  • Derived virtual temperature(virtualTemperature)
  • Total precipitable water vapor, from microwave radiometer(totalPrecipitableWater)
  • Level of free convection(levelFreeConvection)
  • Retrieved water vapor density(waterVaporDensity)
  • Equilibrium level pressure(equilibriumLevelPres)
  • Level of free convection pressure(levelFreeConvectionPres)
  • Lifting condensation level pressure(liftingCondensationLevelPres)
  • Retrieved liquid water path(liquidWaterPath)
  • Retrieved liquid water path using only 23.835 and 30.0 GHz(liquidWaterPath2)
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