DQRID : D091201.2
Start DateStart TimeEnd DateEnd Time
09/24/2009232812/09/20092315
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Subject:
NSA/TWR/C1 - 40m and 20m Data Incorrect
DataStreams:nsatwrC1.b1
Description:
A power distribution problem required us to shut down power to the 40m level.  All T/RH 
were missing and the 40m wind sensor did not have heat to remove any ice build up.  All 
wind data from the 40m level should be viewed critically before use.  The 20m T/RH sensor 
was power spike when the problem occurred causing this sensor to become erratic.  
See D100302.2 for the continuation of the 40m problem.
Suggestions: 
null
Measurements:nsatwrC1.b1:
  • Air temperature, standard deviation(temp_std)
  • Relative humidity observed by the Raman lidar(rh_mean)
  • Quality check results on field: Temperature mean(qc_temp_mean)
  • Quality check results on field: Wind speed arithmetic mean(qc_wspd_arith_mean)
  • Quality check results on field: Dew point mean, calculated(qc_dew_point_mean)
  • Quality check results on field: Wind speed vector mean(qc_wspd_vec_mean)
  • Temperature mean(temp_mean)
  • Temperature and relative humidity sensor error code(trh_err_code)
  • Quality check results on field: Vapor pressure mean, calculated(qc_vapor_pressure_mean)
  • Quality check results on field: Wind direction vector mean(qc_wdir_vec_mean)
  • Dew point standard deviation(dew_point_std)
  • Vapor pressure standard deviation(vapor_pressure_std)
  • Wind speed arithmetic mean(wspd_arith_mean)
  • Wind direction vector mean standard deviation(wdir_vec_std)
  • Dew point mean, calculated(dew_point_mean)
  • Standard deviation in logger enclosure relative humidity(rh_std)
  • Vapor pressure mean, calculated(vapor_pressure_mean)
  • Wind speed vector mean(wspd_vec_mean)
  • Wind direction vector mean(wdir_vec_mean)
  • Quality check results on field: Relative humidity mean(qc_rh_mean)
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