Data Quality Reports for Session: 110987 User: mattcott Completed: 03/13/2008

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D080222.3NSA/SKYRAD/C1 - IRT mirror heater failurensaskyrad20sC1.a0, nsaskyrad60sC1.b1


DQRID : D080222.3
Start DateStart TimeEnd DateEnd Time
12/16/2007000002/11/20081135
Subject:
NSA/SKYRAD/C1 - IRT mirror heater failure
DataStreams:nsaskyrad20sC1.a0, nsaskyrad60sC1.b1
Description:
The heater of the IRT gold mirror failed due to a broken wire (that probably occurred on 
12/13 during maintenance of the solar tracker) allowing snow and frost to accumulate on 
the mirror until it was cleared during daily preventative maintenance. The problem was 
corrected when the heater wires were replaced.
Measurements:nsaskyrad60sC1.b1:
  • Sky Infra Red Temperature Minima(sky_ir_temp_min)
  • Sky Infra Red Temperature Maxima(sky_ir_temp_max)
  • Standard Deviation of Sky Infra Red Temperature(sky_ir_temp_std)
  • Sky Infra-Red Temperature(sky_ir_temp)
nsaskyrad20sC1.a0:
  • Instantaneous Sky/Cloud Infrared(inst_sky_ir_signal)

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