DQRID : D071025.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/03/2007035910/25/20072148Does not affect quality
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Subject:
NSA/SKYRAD/C1 - Reprocessed: Incorrect calibration coefficient
DataStreams:nsaskyrad60sC1.b1, nsaskyrad20sC1.a0
Description:
Installed Skyrad PSP (downwelling shortwave hemispheric irradiance) had calibration 
coefficient Rs applied when it should have used Rsc.  ARM is using IR corrected Rsc and CFc 
coefficients for PSPs deployed at all facilities.  

PSP #32026 should use RSc@45=8.7578 µV/W/m² and not Rs@45=8.6335.

Reprocessed to correct downwelling shortwave hemispheric irradiance (DS) by:
DS(new) = (DS(old) / 115.83 ) * 114.18

Reprocessing completed March 2008.
Suggestions: 
Retrieve reprocessed data for your analysis
Measurements:nsaskyrad20sC1.a0:
  • inst_global
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nsaskyrad60sC1.b1:
  • down_short_hemisp_min
  • down_short_hemisp_max
  • down_short_hemisp_std
  • down_short_hemisp
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