SGP/MPL/C1 - Instrument problem

Data are incorrect.

Do not use data.

• Heights for overlap correction(overlap_correction_heights)
• Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
• Quality check results on field: Attenuated backscatter, copol(qc_signal_return_co_pol)
• Quality check results on field: Telescope temperature(qc_scope_temp)
• Distance to the center of the corresponding range bin(range)
• Laser Temperature(laser_temp)
• Deadtime correction factor(deadtime_correction)
• Laboratory measured counts used to calculate the deadtime correction samples(deadtime_correction_counts)
• Number of bins stored in data block(num_bins)
• Quality check results on field: Detector temperature(qc_detector_temp)
• Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
• Height(height)
• Background signal, co-pol(background_signal_co_pol)
• Attenuated backscatter, co-pol(signal_return_co_pol)
• Dead time correction flag(dead_time_corrected)
• Quality check results on field: Energy output per pulse of transmitted laser
  beam at 532 nm (Doubled Nd-YLF)(qc_energy_monitor)
• MCS mode register, value is either 167 or 199.(mcs_mode)
• Bin number of first data. Tells where pretrigger timing ends and end of region
  for background data sampling laser_fire_bin(first_data_bin)
• Polarization control voltage setting(polarization_control_voltage)
• Quality check results on field: Preliminary cloud base height above ground level(qc_preliminary_cbh)
• Quality check results on field: Distance between initial range_bin and the laser
  flash(qc_range_offset)
• Background signal standard deviation, copol data(background_signal_std_co_pol)
• Distance from leading edge of first range bin to the center of each bin .(range_bins)
• Subtract from range_bins to yield range(range_offset)
• Telescope temperature(scope_temp)
• Quality check results on field: Laser temperature(qc_laser_temp)
• Polarization control enabled flag(polarization_control)
• Attenuated backscatter, cross pol(signal_return_cross_pol)
• Maximum altitude retrieved from multichannel scalar card.(max_altitude)
• Background signal, cross pol data(background_signal_cross_pol)
• Detector Temperature(detector_temp)
• Preliminary cloud base height above ground level(preliminary_cbh)
• Laser output energy per pulse(energy_monitor)
• Background signal standard deviation, cross-pol(background_signal_std_cross_pol)
• Quality check results on field: Attenuated backscatter, cross pol(qc_signal_return_cross_pol)
• Overlap correction(overlap_correction)
• Width of range-bins calculated from range_bin_time(range_bin_width)
• Number of detector channels(num_channels)

• Number of laser pulses summed during averaging interval(shots_per_avg)
• Laser Temperature(laser_temp)
• Width of range-bins calculated from range_bin_time(range_bin_width)
• Background signal(background_signal)
• Telescope temperature(scope_temp)
• Dead time correction flag(dead_time_corrected)
• Detector Temperature(detector_temp)
• Number of bins stored in data block(num_bins)
• Maximum altitude retrieved from multichannel scalar card.(max_altitude)
• Height(height)
• Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
• Polarization control enabled flag(polarization_control)
• Distance to the center of the corresponding range bin(range)
• Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
• Background signal standard deviation(background_signal_std)
• Preliminary cloud base height above ground level(preliminary_cbh)
• Number of detector channels(num_channels)
• Subtract from range_bins to yield range(range_offset)
• Distance from leading edge of first range bin to the center of each bin .(range_bins)
• Polarization control voltage setting(polarization_control_voltage)
• Attenuated backscatter(signal_return)
• Laser output energy per pulse(energy_monitor)

• Detector Temperature(detector_temp)
• Laser Temperature(laser_temp)
• Height(height)
• Repetition rate, or Trigger Frequency of the laser(trigger_freq)
• Background signal(background_signal)
• Sum of raw backscatter counts per bin prior to ANY corrections.(total_counts)
• Number of laser pulses summed during measurement interval(shots_sum)
• Number of lidar pulses summed(shots_summed)
• Attenuated backscatter(detector_counts)
• Voltage level which operates the A/D card and the detector(voltage_05)
• Amount of time the actual laser pulse lags behind the sync trigger(laser_sync_offset)
• value represents earliest applicable date as yyyymmdd(property)
• Assumed zero-range bin number(assumed_zero_range_bin)
• Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
• Voltage level which operates the energy monitor(voltage_15)
• Voltage level which operates the thermistor(voltage_10)
• Filter Temperature(filter_temp)
• Laser output energy per pulse(energy_monitor)
• Amount of time laser pulse lags behind the scalar trigger(laser_scalar_sync_offset)
• Deadtime correction factor(deadtime_correction)
• Width of range-bins calculated from range_bin_time(range_bin_width)
• Amount of time the scalar lags behind the sync trigger(scalar_sync_offset)
• Distance from leading edge of first range bin to the center of each bin .(range_bins)
• Angle of inclination with respect to horizontal(transceiver_altitude_angle)
• Maximum altitude retrieved from multichannel scalar card.(max_altitude)
• Preliminary cloud base height above ground level(preliminary_cbh)
• Subtract from range_bins to yield range(range_offset)
• Aerosol volume backscattering coefficient at 355 nm(backscatter)
• Time in nanoseconds for each range bin of multichannel scalar card.(range_bin_time)
• Angle of orientation with respect to true geographic north(transceiver_azimuth_angle)
• Distance to the center of the corresponding range bin(range)
• Instrument Temperature(instrument_temp)

• (Raw data stream - documentation not supported)

• Number of lidar pulses summed(shots_summed)
• Instrument electronics temperature(instrument_temperature)
• Cloud base height (for first cloud above height threshold)(cloud_base_height)
• Voltage level which operates the A/D card and the detector(voltage_05)
• Voltage level which operates the energy monitor(voltage_15)
• Voltage level which operates the thermistor(voltage_10)
• Instrument Temperature(instrument_temp)
• Repetition Rate, or Trigger Frequency of the laser(pulse_rep)
• Laser Temperature(laser_temp)
• Filter Temperature(filter_temp)
• Binary data quality flag(cloud_base_height_dq_flag)
• Aerosol volume backscattering coefficient at 355 nm(backscatter)
• Laser output energy per pulse(energy_monitor)
• Background signal(background_signal)
• Detector Temperature(detector_temp)

• (Raw data stream - documentation not supported)