DQRID : D071217.3
Start DateStart TimeEnd DateEnd Time
01/08/2008000001/16/20081830
12/09/2007000012/19/20072009
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Subject:
SGP/SIRS/E22 - Tracker failure
DataStreams:sgpsirs20sE22.a0, sgpsirsE22.b1
Description:
The E22 tracker failed during the specified time periods.  Power cycling the tracker 
restored normal operation both times.  Adversely affected instruments are the 
down_short_diffuse (8-48) and short_direct_normal (NIP).
Suggestions: 
Data are not recoverable.
Measurements:sgpsirsE22.b1:
  • Downwelling shortwave diffuse hemispheric irradiance, pyranometer, maxima(down_short_diffuse_hemisp_max)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyrgeometer, Minima(down_short_diffuse_hemisp_min)
  • Shortwave direct normal irradiance, pyrheliometer(short_direct_normal)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyranometer, Standard
    Deviation(down_short_diffuse_hemisp_std)
  • Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
  • Shortwave direct normal irradiance, pyrheliometer, minima(short_direct_normal_min)
more
sgpsirs20sE22.a0:
  • Instantaneous direct normal shortwave irradiance, pyrheliometer thermopile
    voltage(inst_direct_normal)
  • Instantaneous uncorrected downwelling shortwave diffuse, shaded pyranometer
    thermopile voltage(inst_diffuse)
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