Data Quality Reports for Session: 141093 User: perez Completed: 03/08/2012

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D990108.2NSA/SKYRAD/C1 - IRT removed for repairnsaskyrad60sC1.a1, nsaskyradC1.00
D990108.3
D990108.4
D990108.5NSA/SKYRAD/C1 - IRT removed from servicensaskyrad60sC1.a1, nsaskyradC1.00
D990924.2NSA/SKYRAD/C1 - Reprocess: IRT insufficiently heatednsaskyrad60sC1.a1


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:nsaskyradC1.00:
  • Raw data stream - documentation not supported
nsaskyrad60sC1.a1:
  • irt1_min
  • irt1_sd
  • irt1_mean
  • irt1_max

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DQRID : D990108.3
Start DateStart TimeEnd DateEnd Time
Subject:
DataStreams:
Description:
Measurements:

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 DQRID : D990108.4
Start DateStart TimeEnd DateEnd Time
Subject:
DataStreams:
Description:
Measurements:

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 DQRID : D990108.5
Start DateStart TimeEnd DateEnd Time
11/21/1998180012/03/19980000
Subject:
NSA/SKYRAD/C1 - IRT removed from service
DataStreams:nsaskyrad60sC1.a1, nsaskyradC1.00
Description:
Instrument was removed to check performance.
Measurements:nsaskyradC1.00: 
  • Raw data stream - documentation not supported


nsaskyrad60sC1.a1: 
  • irt1_min
  • irt1_sd
  • irt1_mean
  • irt1_max



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 DQRID : D990924.2
Start DateStart TimeEnd DateEnd Time
02/14/1998013012/21/20001925
Subject:
NSA/SKYRAD/C1 - Reprocess: 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.

Data will be reprocessed, but users can correct data using the following correction 
factor:

If T_reference < -5?C, then

  IRT_corrected = (IRT_original - 32.993K)/0.87238

where T_reference can be estimated with the ambient temperature (e.g. 
inst_down_long_hemisp_dome_temp or inst_down_long_dome_temp)
Measurements:nsaskyrad60sC1.a1: 
  • irt1_sd
  • irt1_min
  • irt1_mean
  • irt1_max



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