DQRID : D060209.4
Start DateStart TimeEnd DateEnd Time Data Quality Metric
02/07/2006091002/07/20062350Incorrect
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Subject:
NSA/GNDRAD/C1 - power outage affecting some GNDRAD sensors
DataStreams:nsagndradC1.00, nsagndrad60sC1.b1, nsagndrad20sC1.a0
Description:
During the power outage the upwelling global measurement from the PSP instrument shows a 
slight increase from -5 to +0 W/m2.  This is due to removal of thermal offsets induced by 
the AC heater during the power outage.  This heater is installed within the PSP 
ventilator - it is necessary for the NSA/C1 climate.
The upwelling longwave PIR instrument is unaffected due to case and dome temperature 
corrections.
The IRT is AC powered and was not operational during this time period.
Suggestions: 
Instrument characteristic - no workaround possible.
Measurements:nsagndrad60sC1.b1:
  • up_short_hemisp_max
  • sfc_ir_temp
  • sfc_ir_temp_std
  • up_short_hemisp
  • up_short_hemisp_min
  • sfc_ir_temp_min
  • up_short_hemisp_std
  • sfc_ir_temp_max
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nsagndradC1.00:
  • Raw data stream - documentation not supported
more
nsagndrad20sC1.a0:
  • inst_sfc_ir_signal
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