Data Quality Reports for Session: 122515 User: fafengtuqi Completed: 09/11/2009


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D090227.2HFE/NFOV/M1 - Over-ranging datahfenfov2chM1.b1


DQRID : D090227.2
Start DateStart TimeEnd DateEnd Time
06/18/2008031508/18/20080415
Subject:
HFE/NFOV/M1 - Over-ranging data
DataStreams:hfenfov2chM1.b1
Description:
The instrument was incorrectly installed with an incorrect range setting in the logger 
program.  The program for lamp calibrating the instrument was used, and not the operational 
program. The scale ranges are different, and this resulted in over-ranging conditions 
when the signal exceeded the upper end of the measurement scale.  Affected times are 
centered around solar noon, nominally +/- one-hour around solar noon.  This lasted until 
mid-Aug, when the highest signals were no longer exceeding the logger range.
Measurements:hfenfov2chM1.b1:
  • Raw counts from instrument before calibration, 870 nm(raw_counts_870nm)
  • Calibrated Zenith Radiance, 870 nm(radiance_870nm)
  • Raw counts from instrument before calibration, 673 nm(raw_counts_673nm)
  • Calibrated Zenith Radiance, 673 nm(radiance_673nm)


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