DQRID : D090509.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
05/08/2009140705/11/20090815Incorrect
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Subject:
GRW/SKYRAD/M1 - Tracker inoperative
DataStreams:grwskyrad60sM1.b1, grwskyrad20sM1.a0
Description:
The solar tracker arms were caught and pulled way out of alignment. Problem corrected by 
OPs at 0815Z May 11th.  All bolts tightened and alignment and tracking checked. 

Down_short_hemisp_diffuse (8-48 instrument)is incorrect and not recoverable. 
short_direct_normal (NIP instrument) is suspect during this time as well.  down_short_hemisp (PSP 
instrument) was unaffected.
Suggestions: 
Measurements:grwskyrad20sM1.a0:
  • inst_direct_normal
  • inst_diffuse
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grwskyrad60sM1.b1:
  • down_short_diffuse_hemisp_min
  • down_short_diffuse_hemisp
  • short_direct_normal_std
  • short_direct_normal_max
  • down_short_diffuse_hemisp_std
  • short_direct_normal_min
  • down_short_diffuse_hemisp_max
  • short_direct_normal
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