Data Quality Reports for Session: 113074 User: julia1flah Completed: 07/09/2008

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D030510.2NSA/SKYRAD/C1 - IRT measurements during precipitation eventsnsaskyrad60sC1.a1
D990108.2NSA/SKYRAD/C1 - IRT removed for repairnsaskyrad60sC1.a1, nsaskyradC1.00
D990924.2NSA/SKYRAD/C1 - IRT insufficiently heatednsaskyrad60sC1.a1


DQRID : D030510.2
Start DateStart TimeEnd DateEnd Time
02/14/1998233003/03/20032359
Subject:
NSA/SKYRAD/C1 - IRT measurements during precipitation events
DataStreams:nsaskyrad60sC1.a1
Description:
The IRT measurement of sky/cloud temperature was in question during precipitation events 
because rain or snow could accumulate in the upward-pointed lens barrel. This was 
corrected by reorienting the IRT to measure the sky temperature as reflected by a gold mirror.
Measurements:nsaskyrad60sC1.a1:
  • Sky Infra-Red Temperature(sky_ir_temp)
  • Standard Deviation of Sky Infra Red Temperature(sky_ir_temp_std)
  • Sky Infra Red Temperature Maxima(sky_ir_temp_max)
  • Sky Infra Red Temperature Minima(sky_ir_temp_min)

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DQRID : D990108.2
Start DateStart TimeEnd DateEnd Time
03/16/1998190010/28/19981300
Subject:
NSA/SKYRAD/C1 - IRT removed for repair
DataStreams:nsaskyrad60sC1.a1, nsaskyradC1.00
Description:
The instrument was damaged by internal water condensation caused by the 
exterior foam insulation used to keep the IRT above freezing. It was returned 
in July 1998 to the manufacturer for repair.
Measurements:nsaskyrad60sC1.a1:
  • IRT1 maximum(irt1_max)
  • IRT1 standard deviation(irt1_sd)
  • IRT1 minimum(irt1_min)
  • IRT1 mean(irt1_mean)
nsaskyradC1.00:
  • null(Raw data stream - documentation not supported)

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DQRID : D990924.2
Start DateStart TimeEnd DateEnd Time
02/14/1998013012/21/20001925
Subject:
NSA/SKYRAD/C1 - IRT insufficiently heated
DataStreams:nsaskyrad60sC1.a1
Description:
IRT had insufficient heating to maintain an internal reference temperature above 0 degrees 
C. Measurements of sky temperature were over-estimated when instrument was below 
freezing.
Measurements:nsaskyrad60sC1.a1:
  • IRT1 maximum(irt1_max)
  • IRT1 standard deviation(irt1_sd)
  • IRT1 minimum(irt1_min)
  • IRT1 mean(irt1_mean)

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