DQRID : D080317.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
02/04/2008190005/15/20081820Incorrect
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Subject:
SGP/SIRS/E7 - Downwelling Shortwave failure
DataStreams:sgpsirsE7.b1, sgpsirs20sE7.a0
Description:
The downwelling shortwave (Global PSP) values were dropping out.  Problem started 2/4 but 
became persistent 3/9 and continued until replacement of Mux on 5/15.

PSP data (down_short_hemisp) is not recoverable but can be calculated using:
global = direct*cos(zenith angle) + diffuse 

See the SIRS instrument handbook for details of this component sum method.
Suggestions: 
Measurements:sgpsirs20sE7.a0:
  • inst_global
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sgpsirsE7.b1:
  • down_short_hemisp
  • down_short_hemisp_min
  • down_short_hemisp_std
  • down_short_hemisp_max
more

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