Data Quality Reports for Session: 104682 User: jdelamer Completed: 03/08/2007

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D070105.2NSA/MPL/C1 - Detector FailurensamplpolC1.b1


DQRID : D070105.2
Start DateStart TimeEnd DateEnd Time
12/22/2006120001/03/20071900
Subject:
NSA/MPL/C1 - Detector Failure
DataStreams:nsamplpolC1.b1
Description:
Beginning 12/25, the signal return displayed serious aliasing, reflection, or ringing of 
the detector, with a highly repetitive pattern repeating six or more times within the 
lowest 15 km.  On 01/02, the detector became very difficult to put into any type of operating 
condition. When it did operate, the "aliased" signal pattern was still present.

The detector was replaced.
Measurements:nsamplpolC1.b1:
  • Laser temperature(laser_temp)
  • Energy output per pulse of transmitted laser beam at 532 nm (Doubled Nd-YLF)(energy_monitor)
  • Background signal standard deviation(background_signal_std)
  • Attenuated backscatter(signal_return)
  • Background signal(background_signal)

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