DQRID : D070927.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
08/28/2007200008/31/20071630Incorrect
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Subject:
SGP/SIRS/E12 - Power supply problem affecting solar tracker
DataStreams:sgpsirsE12.00, sgpsirsE12.b1, sgpsirs20sE12.a0
Description:
The tracker failed during this time period due to a failed UPS.  Tracker was placed on 
unregulated power on 8/31/2007 to correct the problem while a new UPS was ordered.
Suggestions: 
disregard tracker dependent instruments data during this time (direct normal and 

downwelling diffuse.)
Measurements:sgpsirs20sE12.a0:
  • inst_direct_normal
  • inst_diffuse
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sgpsirsE12.00:
  • Raw data stream - documentation not supported
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sgpsirsE12.b1:
  • short_direct_normal
  • down_short_diffuse_hemisp
  • short_direct_normal_min
  • down_short_diffuse_hemisp_max
  • down_short_diffuse_hemisp_std
  • down_short_diffuse_hemisp_min
  • short_direct_normal_max
  • short_direct_normal_std
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