Data Quality Reports for Session: 131511 User: ekaterinaz Completed: 11/11/2010

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D061214.1TWP/SKYRAD/C3 - NIP instrument failuretwpskyradC3.00, twpskyrad20sC3.a0, twpskyrad60sC3.b1


DQRID : D061214.1
Start DateStart TimeEnd DateEnd Time
12/13/2006034201/16/20070440
Subject:
TWP/SKYRAD/C3 - NIP instrument failure
DataStreams:twpskyradC3.00, twpskyrad20sC3.a0, twpskyrad60sC3.b1
Description:
The NIP (Short Direct Normal) was replaced after it displayed symptoms of failure 
associated with either unknown precipitation related issues or a possible lightning strike.

NIP data are not recoverable.  Direct normal data can be reconstructed from global 
hemispheric and global diffuse data using the following relationship:
   global hemispheric = direct*cos(sza) + diffuse hemispheric
Measurements:twpskyrad60sC3.b1:
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • short_direct_normal_std
twpskyrad20sC3.a0:
  • inst_direct_normal
twpskyradC3.00:
  • Raw data stream - documentation not supported

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