Data Quality Reports for Session: 122922 User: dmfoper Completed: 09/19/2009


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D071203.1TWP/MPL/C1 - Scope Temp is incorrecttwpmplpolC1.b1, twpmplpolavgC1.c1, twpmplpolavgC1.s1
D071203.2TWP/MPL/C1 - Energy monitor registers 0twpmplpolC1.b1, twpmplpolavgC1.c1, twpmplpolavgC1.s1


DQRID : D071203.1
Start DateStart TimeEnd DateEnd Time
02/01/2007000006/10/20070400
Subject:
TWP/MPL/C1 - Scope Temp is incorrect
DataStreams:twpmplpolC1.b1, twpmplpolavgC1.c1, twpmplpolavgC1.s1
Description:
Scope temperature is incorrect because the probe failed/was missing.

Ignore the scope temperatures and assume the true values are acceptable.
Measurements:twpmplpolC1.b1:
  • Telescope temperature(scope_temp)

twpmplpolavgC1.c1:
  • Telescope temperature(scope_temp)

twpmplpolavgC1.s1:
  • Telescope temperature(scope_temp)


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DQRID : D071203.2
Start DateStart TimeEnd DateEnd Time
04/27/2007050704/30/20072330
Subject:
TWP/MPL/C1 - Energy monitor registers 0
DataStreams:twpmplpolC1.b1, twpmplpolavgC1.c1, twpmplpolavgC1.s1
Description:
When the instrument was returned to service following replacement of the scope temperature 
sensor, the power supply was not turned on; hence system was not operating, though the 
software was.
Measurements:twpmplpolC1.b1:
  • Preliminary cloud base height(preliminary_cbh)
  • Time offset of tweaks from base_time(time_offset)
  • Polarization control enabled flag(polarization_control)
  • Telescope temperature(scope_temp)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • base time(base_time)
  • Array of heights for the range gates(height)
  • lon(lon)
  • Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
  • Laser Temperature(laser_temp)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • range(range)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • Attenuated backscatter(signal_return)
  • Dummy altitude for Zeb(alt)
  • time(time)
  • Background Signal(background_signal)
  • Polarization control voltage setting(polarization_control_voltage)
  • Number of bins stored in data block(num_bins)
  • effective range offset due to poor sync between laser firing and A/D trigger.(range_offset)
  • Number of detector channels(num_channels)
  • Background signal standard deviation(background_signal_std)
  • Laser output energy per pulse(energy_monitor)
  • Detector Temperature(detector_temp)
  • lat(lat)
  • Dead time correction flag(dead_time_corrected)
  • Number of laser pulses summed during averaging interval(shots_per_avg)

twpmplpolavgC1.s1:
  • Laser output energy per pulse(energy_monitor)
  • Attenuated backscatter, cross-pol(signal_return_cross_pol)
  • Number of laser pulses summed during averaging interval(shots_per_sample)
  • range(range)
  • Number of detector channels(num_channels)
  • Attenuated backscatter, co-pol(signal_return_co_pol)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • Dead time correction flag(dead_time_corrected)
  • Preliminary cloud base height above ground level, co-pol(preliminary_cbh_co_pol)
  • base time(base_time)
  • lon(lon)
  • Detector Temperature(detector_temp)
  • Background signal standard deviation, co-pol(background_signal_std_co_pol)
  • Array of heights for the range gates(height)
  • *(aqc_signal_return_co_pol)
  • Background signal standard deviation, cross-pol(background_signal_std_cross_pol)
  • effective range offset due to poor sync between laser firing and A/D trigger.(range_offset)
  • Number of samples used for cross-pol averages(nsamples_cross_pol_average)
  • Background signal, cross-pol(background_signal_cross_pol)
  • Time offset of tweaks from base_time(time_offset)
  • Background signal, co-pol(background_signal_co_pol)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • *(aqc_signal_return_cross_pol)
  • Telescope temperature(scope_temp)
  • Number of samples used for co-pol averages(nsamples_co_pol_average)
  • Laser Temperature(laser_temp)
  • Polarization control voltage, co-pol(polarization_control_voltage_co_pol)
  • Preliminary cloud base height above ground level, cross-pol(preliminary_cbh_cross_pol)
  • time(time)
  • Number of bins stored in data block(num_bins)
  • lat(lat)
  • Dummy altitude for Zeb(alt)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • Polarization control voltage, cross-pol(polarization_control_voltage_cross_pol)

twpmplpolavgC1.c1:
  • Attenuated backscatter, co-pol(signal_return_co_pol)
  • Attenuated backscatter, cross-pol(signal_return_cross_pol)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • base time(base_time)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • Number of detector channels(num_channels)
  • Laser Temperature(laser_temp)
  • lon(lon)
  • *(aqc_signal_return_cross_pol)
  • Background signal, cross-pol(background_signal_cross_pol)
  • effective range offset due to poor sync between laser firing and A/D trigger.(range_offset)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • Preliminary cloud base height above ground level, cross-pol(preliminary_cbh_cross_pol)
  • Number of laser pulses summed during averaging interval(shots_per_sample)
  • Array of heights for the range gates(height)
  • Background signal standard deviation, cross-pol(background_signal_std_cross_pol)
  • lat(lat)
  • Detector Temperature(detector_temp)
  • Dead time correction flag(dead_time_corrected)
  • Polarization control voltage, co-pol(polarization_control_voltage_co_pol)
  • Background signal standard deviation, co-pol(background_signal_std_co_pol)
  • Number of samples used for co-pol averages(nsamples_co_pol_average)
  • Time offset of tweaks from base_time(time_offset)
  • Polarization control voltage, cross-pol(polarization_control_voltage_cross_pol)
  • Preliminary cloud base height above ground level, co-pol(preliminary_cbh_co_pol)
  • Dummy altitude for Zeb(alt)
  • Background signal, co-pol(background_signal_co_pol)
  • Number of bins stored in data block(num_bins)
  • *(aqc_signal_return_co_pol)
  • Laser output energy per pulse(energy_monitor)
  • Number of samples used for cross-pol averages(nsamples_cross_pol_average)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • time(time)
  • Telescope temperature(scope_temp)
  • range(range)


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