Data Quality Reports for Session: 106476 User: anderberg Completed: 07/11/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D070615.2SGP/SIRS/E15 - NIP (short_direct_normal) failuresgpsirsE15.b1, sgpsirs20sE15.a0


DQRID : D070615.2
Start DateStart TimeEnd DateEnd Time
06/14/2007112406/19/20071730
Subject:
SGP/SIRS/E15 - NIP (short_direct_normal) failure
DataStreams:sgpsirsE15.b1, sgpsirs20sE15.a0
Description:
Short_direct_normal was spiking to large positive and negative values (+2000/-2000) with 
extended periods of missing data.  Repair of broken cable corrected the problem.

Data are not recoverable.  Suggest using remaining components (global hemispheric and 
global diffuse) to reconstruct direct normal data during this time period.   See SIRS 
instrument handbook for details on this process.
Measurements:sgpsirsE15.b1:
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Standard Deviation(short_direct_normal_std)
  • Shortwave Direct Normal Irradiance, Pyrheliometer(short_direct_normal)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)

sgpsirs20sE15.a0:
  • Instantaneous Direct Normal Shortwave Irradiance, Pyrheliometer Thermopile
    Voltage(inst_direct_normal)


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