DQRID : D120516.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/16/2006200611/20/20060630Incorrect
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Subject:
TWP/QCRAD/C3 - NIP failure
DataStreams:twpqcrad1longC3.s1, twpqcrad1longC3.c1, twpqcrad1longC3.s2, twpqcrad1longC3.c2
Description:
NIP data is bad during this time until a new instrument was installed. Direct normal 
shortwave irradiance incorrect during this time. 

Problem described in instrument DQR D061120.1
Suggestions: 
Don't use SW direct 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. Direct normal from MFRSR can be used or 
calculated from total and diffuse irradiance.
Measurements:twpqcrad1longC3.c2:
  • short_direct_normal
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twpqcrad1longC3.s2:
  • short_direct_normal
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twpqcrad1longC3.s1:
  • short_direct_normal
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twpqcrad1longC3.c1:
  • short_direct_normal
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