DQRID : D020724.39
Start DateStart TimeEnd DateEnd Time
11/08/1997221511/11/19970300
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Subject:
SHB/GNDRAD/C1  - Unrealistic values for  infrared irradiance
DataStreams:shbgndrad60sC1.a1, shbgndrad20sC1.a1
Description:
The value of infrared irradiance measured by the PIR is negative during this period. These 
values are unrealistic. The cause of these unreasonable values is not known but this 
time period is just after the re-location of the GNDRAD stand.
Suggestions: 
Measurements:shbgndrad60sC1.a1:
  • PIR1 mean(pir1_mean)
  • PIR1 unshaded standard deviation(pir1_sd)
  • PIR1 minimum(pir1_min)
  • PIR1 unshaded maximum(pir1_max)
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shbgndrad20sC1.a1:
  • Instantaneous PIR1 dome thermistor(pir1_dome_therm)
  • Instantaneous PIR1 case thermistor(pir1_case_therm)
  • Instantaneous PIR1 uncorrected irradiance(pir1_voltage)
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