DQRID : D060621.4
Start DateStart TimeEnd DateEnd Time
12/14/2004233002/01/20052130
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Subject:
TWP/MPL/C2 - Missing data
DataStreams:twpmplC2.00, twpmplC2.a1
Description:
The MPL was turned off due to a dead detector.
Suggestions: 
Measurements:twpmplC2.a1:
  • Laser output energy per pulse(energy_monitor)
  • Number of laser pulses summed during measurement interval(shots_sum)
  • Time offset from base_time(time_offset)
  • Assumed zero-range bin number(assumed_zero_range_bin)
  • Laser Temperature(laser_temp)
  • base time in epoch(base_time)
  • Angle of inclination with respect to horizontal(transceiver_altitude_angle)
  • Sum of raw backscatter counts per bin prior to ANY corrections.(total_counts)
  • Amount of time the actual laser pulse lags behind the sync trigger(laser_sync_offset)
  • Detector Temperature(detector_temp)
  • Distance to the center of the corresponding range bin(range)
  • Preliminary cloud base height above ground level(preliminary_cbh)
  • Instrument Temperature(instrument_temp)
  • Voltage level which operates the thermistor(voltage_10)
  • -180.0 - +180.0(alt)
  • Amount of time the scalar lags behind the sync trigger(scalar_sync_offset)
  • Repetition rate, or Trigger Frequency of the laser(trigger_freq)
  • Aerosol volume backscattering coefficient at 355 nm(backscatter)
  • Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
  • Voltage level which operates the energy monitor(voltage_15)
  • Deadtime correction factor(deadtime_correction)
  • Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
  • Amount of time laser pulse lags behind the scalar trigger(laser_scalar_sync_offset)
  • Distance from leading edge of first range bin to the center of each bin .(range_bins)
  • North Latitude(lat)
  • Number of lidar pulses summed(shots_summed)
  • Height(height)
  • Background signal(background_signal)
  • Subtract from range_bins to yield range(range_offset)
  • Maximum altitude retrieved from multichannel scalar card.(max_altitude)
  • Attenuated backscatter(detector_counts)
  • Angle of orientation with respect to true geographic north(transceiver_azimuth_angle)
  • Width of range-bins calculated from range_bin_time(range_bin_width)
  • value represents earliest applicable date as yyyymmdd(property)
  • Filter Temperature(filter_temp)
  • lon(lon)
  • time_in_seconds_since_volume_start(time)
  • Voltage level which operates the A/D card and the detector(voltage_05)
more
twpmplC2.00:
  • (Raw data stream - documentation not supported)
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