DQRID : D030205.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/18/1999000012/18/20021822Does not affect quality
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Subject:
NSA/C2/MWR - liquid water paths affected by frost and ice formation
DataStreams:nsamwrlosC2.a1, nsamwrC2.00
Description:
The heater/blower did not completely remove ice and frost formed on the 
teflon window under severe winter weather conditions. Also, the sensitivity
of the moisture sensor was temperature dependent and, if the temperature 
changd significantly after the sensor had been tuned, the heater failed to 
turn on when the window became wet or frosted. This resulted in unflagged 
periods of elevated and unrealistic values of liquid water path.

The heater/blower assembly was replaced with an improved version that 
incorporates better circuitry, a larger capacity fan, and better airflow 
distribution.
Suggestions: 
Measurements:nsamwrC2.00:
  • Raw data stream - documentation not supported
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nsamwrlosC2.a1:
  • wet_window
  • vap
  • liq
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