DQRID : D040107.1
Start DateStart TimeEnd DateEnd Time
12/14/2003180001/08/20042359
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Subject:
TWP/SKYRAD/C2 - Tracker Problem
DataStreams:twpskyrad60sC2.b1, twpskyradC2.00
Description:
The observers reported that the tracker was not shading the radiometers.
The sun sensor was damaged by moisture due to a missing front window.  The tracker had 
been in sun-sensing mode so required the sensor to maintain its proper orientation.  Troy 
Culgan placed the tracker in time-track mode (calculates solar position based on time, 
date, and location) until the sun sensor can be repaired.
Suggestions: 
null
Measurements:twpskyrad60sC2.b1:
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer1, Standard
    Deviation(down_long_hemisp_shaded1_std)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer1, Maxima(down_long_hemisp_shaded1_max)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyrgeometer, Minima(down_short_diffuse_hemisp_min)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer1(down_long_hemisp_shaded1)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer2(down_long_hemisp_shaded2)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer2, Maxima(down_long_hemisp_shaded2_max)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer2, Standard
    Deviation(down_long_hemisp_shaded2_std)
  • Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • Shortwave direct normal irradiance, pyrheliometer, minima(short_direct_normal_min)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer1, Minima(down_long_hemisp_shaded1_min)
  • Shortwave direct normal irradiance, pyrheliometer(short_direct_normal)
  • Downwelling shortwave diffuse hemispheric irradiance, pyranometer, maxima(down_short_diffuse_hemisp_max)
  • Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyranometer, Standard
    Deviation(down_short_diffuse_hemisp_std)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer2, Minima(down_long_hemisp_shaded2_min)
more
twpskyradC2.00:
  • (Raw data stream - documentation not supported)
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