Data Quality Reports for Session: 122765 User: sherman Completed: 09/15/2009

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D070407.1TWP/MPL/C3 - False cloud detection at 15-20kmtwpmplpolC3.b1, twpmplpolavgC3.c1, twpmplpolavgC3.s1, twpmplsmask1clothC3.c1


DQRID : D070407.1
Start DateStart TimeEnd DateEnd Time
12/01/2006000005/15/20070100
Subject:
TWP/MPL/C3 - False cloud detection at 15-20km
DataStreams:twpmplpolC3.b1, twpmplpolavgC3.c1, twpmplpolavgC3.s1, twpmplsmask1clothC3.c1
Description:
During the period specified, clouds were sometimes incorrectly detected at 15-20km.  These 
artifacts were seen as quasi-stationary layers that were clearly not atmospheric in 
origin.  A replacement instrument was installed in May 2007 to correct the problem.
Measurements:twpmplpolavgC3.c1:
  • Attenuated backscatter, cross-pol(signal_return_cross_pol)
  • Preliminary cloud base height above ground level, co-pol(preliminary_cbh_co_pol)
  • Preliminary cloud base height above ground level, cross-pol(preliminary_cbh_cross_pol)
  • Attenuated backscatter, co-pol(signal_return_co_pol)
twpmplpolC3.b1:
  • Attenuated backscatter(signal_return)
  • Preliminary cloud base height(preliminary_cbh)
twpmplsmask1clothC3.c1:
  • Height of Center of Each Range Bin(Heights)
twpmplpolavgC3.s1:
  • Preliminary cloud base height above ground level, co-pol(preliminary_cbh_co_pol)
  • Attenuated backscatter, co-pol(signal_return_co_pol)
  • Attenuated backscatter, cross-pol(signal_return_cross_pol)
  • Preliminary cloud base height above ground level, cross-pol(preliminary_cbh_cross_pol)

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