Data Quality Reports for Session: 139632 User: sfmilton Completed: 01/04/2012

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D111202.1SGP/SIRS/C1 - NIP FailuresgpsirsC1.b1, sgpsirs20sC1.a0


DQRID : D111202.1
Start DateStart TimeEnd DateEnd Time
08/16/2011214408/25/20111435
Subject:
SGP/SIRS/C1 - NIP Failure
DataStreams:sgpsirsC1.b1, sgpsirs20sC1.a0
Description:
The short_direct_normal (NIP instrument) cable failed (broken wire in NIP connector) 
during this time period. Data are not recoverable.


An estimate of direct normal values can be derived using the following formula:

short_direct_normal = (down_short_hemisp - down_short_diffuse_hemisp)/cos(zenith angle)
Measurements:sgpsirs20sC1.a0:
  • inst_direct_normal
sgpsirsC1.b1:
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • short_direct_normal_std
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)

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