DQRID : D120420.9
Start DateStart TimeEnd DateEnd Time Data Quality Metric
06/04/1996030007/15/19961900Incorrect
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Subject:
SGP/QCRAD/E9 - Direct normal incorrect
DataStreams:sgpqcrad1longE9.c2, sgpqcrad1longE9.s1, sgpqcrad1longE9.c1, sgpqcrad1longE9.s2
Description:
Direct normal irradiance measurements appear to be incorrect. The cause of the problem is 
not known. No instrument DQR is available describing the problem at this time.

Direct normal irradiance should not be used. It can be calculated from diffuse and global 
measurements or the MFRSR data can be substituted.
Suggestions: 
Measurements:sgpqcrad1longE9.c1:
  • short_direct_normal
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sgpqcrad1longE9.s1:
  • short_direct_normal
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sgpqcrad1longE9.s2:
  • short_direct_normal
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sgpqcrad1longE9.c2:
  • short_direct_normal
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