Data Quality Reports for Session: 142121 User: dmfoper Completed: 04/26/2012


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D101122.3NIM/QCRAD/M1 - Error in qc fieldsnimqcrad1longM1.c1


DQRID : D101122.3
Start DateStart TimeEnd DateEnd Time
12/14/2005000001/07/20072359
Subject:
NIM/QCRAD/M1  - Error in qc fields
DataStreams:nimqcrad1longM1.c1
Description:
In the qc_down_short_diffuse_hemisp field, QC failures from the test indicated by
   bit_13: "data failed tracker off test"
were set incorrectly as 


In the qc_short_direct_normal field, QC failures from the test indicated by 
   bit_10: "data failed tracker off test"
were set incorrectly as
   bit_9: "GSW2SumSW (93 > SZA > 75 and SumSW > 50; GSW/ SumSW < 0.85 or GSW/SumSW > 
1.15)"

This problem impacts all dates and times in which a solar tracker failure occurred at this 
facility.
Measurements:nimqcrad1longM1.c1:
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)


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