DQRID : D120924.2
Start DateStart TimeEnd DateEnd Time
09/07/2012123009/10/20121530
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Subject:
SGP/RL/C1 - Invalid data
DataStreams:sgprlC1.a0
Description:
The laser stopped firing but data acquisition continued. As a result, no
laser pulses were being transmitted and all detection channels were measuring nothing but 
pure background.
Suggestions: 
Do not use data from this time period.
Measurements:sgprlC1.a0:
  • Summed analog signal in the temperature 2 channel(t2_analog_high)
  • Number of photons counted in the low water vapor channel(water_counts_low)
  • Number of photons counted in the high nitrogen channel(nitrogen_counts_high)
  • Summed analog signal in the liquid water channel(liquid_analog_high)
  • Number of photons counted in the temperature 2 channel(t2_counts_high)
  • Number of photons counted in the temperature 1 channel(t1_counts_high)
  • Number of laser shots recorded for the temperature 1 channel(shots_summed_t1_high)
  • Summed analog signal in the low nitrogen channel(nitrogen_analog_low)
  • Number of laser shots recorded for the high depolarization channel(shots_summed_depolarization_high)
  • N2 cloud check value(n2_cloud_check_value)
  • Number of laser shots recorded for the high nitrogen channel(shots_summed_nitrogen_high)
  • Number of laser shots recorded for the temperature 2 channel(shots_summed_t2_high)
  • Summed analog signal in the high nitrogen channel(nitrogen_analog_high)
  • Number of lidar pulses summed(shots_summed)
  • Number of laser shots recorded for the low elastic channel(shots_summed_elastic_low)
  • Cloud value check flag(cloud_value_check)
  • Summed analog signal in the temperature 1 channel(t1_analog_high)
  • Number of photons counted in the low nitrogen channel(nitrogen_counts_low)
  • Summed analog signal in the low water vapor channel(water_analog_low)
  • Summed analog signal in the high depolarization channel(depolarization_analog_high)
  • Number of laser shots recorded for the liquid water channel(shots_summed_liquid_high)
  • Count rate in the high depolarization channel(depolarization_counts_high)
  • Number of photons counted in the high elastic (aerosol) channel(elastic_counts_high)
  • Count rate in the high water vapor channel(water_counts_high)
  • Number of laser shots recorded for the high elastic channel(shots_summed_elastic_high)
  • Number of laser shots recorded for the high water channel(shots_summed_water_high)
  • Number of laser shots recorded for the low nitrogen channel(shots_summed_nitrogen_low)
  • Number of laser shots recorded for the low water channel(shots_summed_water_low)
  • Summed analog signal in the high water vapor channel(water_analog_high)
  • Summed analog signal in the high elastic channel(elastic_analog_high)
  • Number of photons counted in the liquid water channel(liquid_counts_high)
  • Number of photons counted in the low elastic (aerosol) channel(elastic_counts_low)
  • Summed analog signal in the low elastic channel(elastic_analog_low)
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