DQRID : D080325.1
Start DateStart TimeEnd DateEnd Time
03/14/2008201203/31/20080900
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Subject:
NSA/METTWR/C1 - Intermittent missing data
DataStreams:nsamettwr4hC1.b1
Description:
Intermittent failure of the CMH to communicate with the logging system occurred on a daily 
basis.  This problem occurred anywhere from 4 to 8 hrs.  Problem began after maintenance 
to replace failing aspirator fan on 03/13/2008.
Suggestions: 
Measurements:nsamettwr4hC1.b1:
  • Chilled Mirror Dew Point(CMHDP)
  • Chilled Mirror Calculated Saturation Vapor Pressure(SatVPCMH)
  • Chilled Mirror Calculated Vapor Pressure(VPCMH)
  • Chilled Mirror Temperature(CMHTemp)
  • Chilled Mirror Calculated Relative Humidity(CMHRH)
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