DQRID : D140417.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
04/11/2014000004/12/20141955Incorrect
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Subject:
MAO/MPL/M1 - Energy monitor too low
DataStreams:maomplpolfsM1.b1
Description:
Energy monitor values too low and backscatter data incorrect. Height of atmospheric 
returns incorrect with a minimum return at 3 km until around 20140411 19:00 UTC. No atmospheric 
returns for the remainder of the time period.
Suggestions: 
Data is incorrect.
Measurements:maomplpolfsM1.b1:
  • Background signal, co-pol(background_signal_co_pol)
  • Bin number of first data. Tells where pretrigger timing ends and end of region
    for background data sampling laser_fire_bin(first_data_bin)
  • Overlap correction(overlap_correction)
  • Attenuated backscatter, co-pol(signal_return_co_pol)
  • Heights for overlap correction(overlap_correction_heights)
  • Background signal standard deviation, cross-pol(background_signal_std_cross_pol)
  • Background signal, cross pol data(background_signal_cross_pol)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • Background signal standard deviation, copol data(background_signal_std_co_pol)
  • Attenuated backscatter, cross pol(signal_return_cross_pol)
  • Preliminary cloud base height above ground level(preliminary_cbh)
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