DQRID : D120607.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/01/1999000011/01/19990000Incorrect
03/25/2009200005/18/20090442Incorrect
12/01/2003000001/01/20040000Incorrect
06/16/2011233508/15/20110130Incorrect
10/06/2011000012/31/20110000Incorrect
05/26/2001120006/18/20010400Incorrect
12/17/2008194212/21/20082215Incorrect
06/25/2001180008/16/20010400Incorrect
more
Subject:
TWP/QCRAD/C2 - Tracker failure
DataStreams:twpqcrad1longC2.s2, twpqcrad1longC2.s1, twpqcrad1longC2.c1, twpqcrad1longC2.c2
Description:
Tracker appears to be out of alignment or inoperative during these times. The 
short_direct_normal (NIP) and down_short_diffuse_hemisp (8-48) data appear to be bad and not 
recoverable.

Several of these periods are documented in instrument DQRs:

D110831.1, D090328.1, D081222.3, D040107.1, D011207.1, D011019.8
Suggestions: 
Don't use SW direct or diffuse data during these time periods. If 

"source_BestEstimate_down_short_hemisp" is 0, don't use Best Estimate GSW data. Note that fewer quality 
checks can be applied accurately to the BestEstimate data.
Measurements:twpqcrad1longC2.c2:
  • down_short_diffuse_hemisp
  • short_direct_normal
  • BestEstimate_down_short_hemisp
more
twpqcrad1longC2.s2:
  • BestEstimate_down_short_hemisp
  • down_short_diffuse_hemisp
  • short_direct_normal
more
twpqcrad1longC2.c1:
  • short_direct_normal
  • down_short_diffuse_hemisp
  • BestEstimate_down_short_hemisp
more
twpqcrad1longC2.s1:
  • down_short_diffuse_hemisp
  • short_direct_normal
  • BestEstimate_down_short_hemisp
more

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