Data Quality Reports for Session: 108500 User: cj_flynn Completed: 10/19/2007

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060224.3TWP/MPL/C3 - Temporary laser failuretwpmplC3.00, twpmplC3.a1
D060227.1TWP/MPL/C3 - Backscatter profiles are inaccurate due to computer HD corruption.twpmplC3.00, twpmplC3.a1


DQRID : D060224.3
Start DateStart TimeEnd DateEnd Time
02/20/2006060002/23/20060600
Subject:
TWP/MPL/C3 - Temporary laser failure
DataStreams:twpmplC3.00, twpmplC3.a1
Description:
No backscatter information is in the data. The backscatter data in the files during this 
time is solar background information only. 

The laser turned it's self off, reason: unknown. A power cycle of the entire system 
corrected the problem.
Measurements:twpmplC3.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
twpmplC3.a1:
  • Preliminary cloud base height(preliminary_cbh)
  • Attenuated backscatter(detector_counts)

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DQRID : D060227.1
Start DateStart TimeEnd DateEnd Time
02/24/2006060002/27/20060700
Subject:
TWP/MPL/C3 - Backscatter profiles are inaccurate due to computer HD corruption.
DataStreams:twpmplC3.00, twpmplC3.a1
Description:
The data shows a consistent cloud deck at 7.5km with what appears to be a duplication of 
the data from ground zero. The temperature and energy monitor values are also affected. 
The computer was found with multiple corruption problems. These corruptions may have cause 
the ghost data at 7.5km.  A chkdsk was performed which appears to have corrected the 
problem.
Measurements:twpmplC3.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
twpmplC3.a1:
  • Detector Temperature(detector_temp)
  • Instrument Temperature(instrument_temp)
  • Preliminary cloud base height(preliminary_cbh)
  • Attenuated backscatter(detector_counts)
  • Laser Temperature(laser_temp)
  • Background Signal(background_signal)
  • Laser output energy per pulse(energy_monitor)

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