DQRID : D030612.1
Start DateStart TimeEnd DateEnd Time
06/03/2003100006/16/20031835
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Subject:
SGP/SIRS/E21 - Shadowband Misalignment/Tracker Failure
DataStreams:sgpsirsE21.00, sgpsirs20sE21.a0, sgpsirsE21.b1
Description:
Suntracker appears to have failed beginning on 6/3/03, most likely during previous night 
reset. Start time listed is approximate time of sunrise.
Suggestions: 
Bad data is not recoverable.
Measurements:sgpsirs20sE21.a0:
  • Instantaneous downwelling pyrgeometer thermopile voltage, shaded pyrgeometer(inst_down_long_hemisp_shaded_tp)
  • Instantaneous uncorrected downwelling shortwave diffuse, shaded pyranometer
    thermopile voltage(inst_diffuse)
  • Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded
    Pyrgeometer(inst_down_long_shaded_case_resist)
  • Instantaneous direct normal shortwave irradiance, pyrheliometer thermopile
    voltage(inst_direct_normal)
  • Instantaneous downwelling pyrgeometer dome thermistor resistance, shaded
    pyrgeometer(inst_down_long_shaded_dome_resist)
more
sgpsirsE21.00:
  • (Raw data stream - documentation not supported)
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sgpsirsE21.b1:
  • Downwelling shortwave diffuse hemispheric irradiance, pyranometer, maxima(down_short_diffuse_hemisp_max)
  • Shortwave direct normal irradiance, pyrheliometer(short_direct_normal)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
  • Downwelling longwave hemispheric irradiance, shaded pyrgeometer, standard
    deviation(down_long_hemisp_shaded_std)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyranometer, Standard
    Deviation(down_short_diffuse_hemisp_std)
  • Shortwave direct normal irradiance, pyrheliometer, minima(short_direct_normal_min)
  • Downwelling longwave hemispheric net infrared(down_long_netir)
  • Instantaneous downwelling pyrgeometer case thermistor temperature, shaded
    pyrgeometer(inst_down_long_shaded_case_temp)
  • Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
    Pyrgeometer(inst_down_long_shaded_dome_temp)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
  • Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • Downwelling longwave hemispheric irradiance, shaded pyrgeometer(down_long_hemisp_shaded)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyrgeometer, Minima(down_short_diffuse_hemisp_min)
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