Data Quality Reports for Session: 123771 User: dmfoper Completed: 10/18/2009


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D020509.2NSA/VCEIL/C1 - Occasional Data Transmission problemsnsavceil25kC1.00, nsavceil25kC1.a1, nsavceil25kC1.b1


DQRID : D020509.2
Start DateStart TimeEnd DateEnd Time
11/06/2000000001/04/20010000
Subject:
NSA/VCEIL/C1 - Occasional Data Transmission problems
DataStreams:nsavceil25kC1.00, nsavceil25kC1.a1, nsavceil25kC1.b1
Description:
During this period, there were occasional data transmission problems that lead to cut-off 
data packets at times. These disappeared after ceilometer computer were replaced.
Measurements:nsavceil25kC1.00:
  • null(Raw data stream - documentation not supported)

nsavceil25kC1.a1:
  • Millivolts at internal ADC input (0 to 2500)(background_light)
  • Laser temperature(laser_temperature)
  • range(range)
  • Warning and alarm status bits(status_string)
  • GPS raw data filename(filename)
  • Percentage of nominal factory setting (0 to 999%)(receiver_sensitivity)
  • Percentage of nominal factory setting (0 to 999%)(laser_pulse_energy)
  • Third cloud base height(third_cbh)
  • Detection status. See details(detection_status)
  • Dummy altitude for Zeb(alt)
  • Aerosol backscatter coefficient at 355 nm(backscatter)
  • 6 character string describing instrument measurement parameters(measurement_parameters)
  • Vertical visibility(vertical_visibility)
  • Millivolts at internal ADC input(window_contamination)
  • Degrees from vertical (0 to +90)(tilt_angle)
  • Altitude of highest signal(alt_highest_signal)
  • Backscatter sum(sum_backscatter)
  • lon(lon)
  • base time(base_time)
  • lat(lat)
  • Second lowest cloud base height(second_cbh)
  • Lowest cloud base height detected.(first_cbh)
  • Time offset of tweaks from base_time(time_offset)
  • Flag indicating aeri retrieval status(status_flag)

nsavceil25kC1.b1:
  • Percentage of nominal factory setting (0 to 999%)(receiver_sensitivity)
  • Vertical visibility(vertical_visibility)
  • Millivolts at internal ADC input (0 to 2500)(background_light)
  • Flag indicating aeri retrieval status(status_flag)
  • Third cloud base height(third_cbh)
  • Lowest cloud base height detected.(first_cbh)
  • lon(lon)
  • lat(lat)
  • Second lowest cloud base height(second_cbh)
  • Degrees from vertical (0 to +90)(tilt_angle)
  • GPS raw data filename(filename)
  • Detection status. See details(detection_status)
  • Millivolts at internal ADC input(window_contamination)
  • Time offset of tweaks from base_time(time_offset)
  • Backscatter sum(sum_backscatter)
  • Warning and alarm status bits(status_string)
  • Dummy altitude for Zeb(alt)
  • 6 character string describing instrument measurement parameters(measurement_parameters)
  • base time(base_time)
  • Percentage of nominal factory setting (0 to 999%)(laser_pulse_energy)
  • Altitude of highest signal(alt_highest_signal)
  • Laser temperature(laser_temperature)
  • range(range)
  • Aerosol backscatter coefficient at 355 nm(backscatter)


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