DQRID : D120126.5
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/26/2005163004/04/20062359Suspect
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Subject:
SGP/QCRAD/E1 - Intermittently missing downwelling diffuse
DataStreams:sgpqcrad1longE1.c2, sgpqcrad1longE1.s2
Description:
Starting on or about 10/26/2005 the downwelling diffuse hemispheric irradiance (Eppley 
8-48) instrument had intermittent missing values. Technicians found a loose wire on the 
instrument connector and repaired it on 4/4/2006. 

This means that Best Estimate Global can't be calculated from the sum of direct and 
diffuse. It also means that some quality checks can't be done.

Problem documented in instrument DQR D060331.2.
Suggestions: 
Use caution with Best Estimate Global data because not all checks can be performed 

and the sum of direct and diffuse cannot be used. If 
"source_BestEstimate_down_short_hemisp" = 0 during this time period, BestEstimate_down_short_hemisp may be incorrect.
Measurements:sgpqcrad1longE1.c2:
  • BestEstimate_down_short_hemisp
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sgpqcrad1longE1.s2:
  • BestEstimate_down_short_hemisp
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