DQRID : D160811.2
Start DateStart TimeEnd DateEnd Time
07/31/2016172508/01/20162004
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Subject:
OLI/RL/M1 - Laser system problem
DataStreams:olirllogM1.a1, olirlM1.00, olirllogM1.a0, olirlM1.a0
Description:
The Raman lidar was down during the period in question due to issues with the laser 
system.
Suggestions: 
Measurements:olirllogM1.a0:
  • base time in epoch(base_time)
  • Peak found flag for alignment tweak(al_peak_found)
  • North Latitude(lat)
  • -180.0 - +180.0(alt)
  • time_in_seconds_since_volume_start(time)
  • Time offset from base_time(time_offset)
  • lon(lon)
  • Type of tweak(tweak_type)
  • Photon counts recorded during the tweak(counts)
more
olirllogM1.a1:
  • -180.0 - +180.0(alt)
  • North Latitude(lat)
  • Photon counts recorded during the tweak(counts)
  • Type of tweak(tweak_type)
  • base time in epoch(base_time)
  • Time offset from base_time(time_offset)
  • Peak found flag for alignment tweak(al_peak_found)
  • lon(lon)
  • time_in_seconds_since_volume_start(time)
more
olirlM1.a0:
  • Summed analog signal in the low elastic channel(elastic_analog_low)
  • Summed analog signal in the high water vapor channel(water_analog_high)
  • Summed analog signal in the low water vapor channel(water_analog_low)
  • Relative Humidity (hybrid-b grid)(rh)
  • North Latitude(lat)
  • Count rate in the high water vapor channel(water_counts_high)
  • Number of photons counted in the high nitrogen channel(nitrogen_counts_high)
  • N2 cloud check value(n2_cloud_check_value)
  • Summed analog signal in the high nitrogen channel(nitrogen_analog_high)
  • Supplemental 5(s5)
  • Supplemental 4(s4)
  • Supplemental 3(s3)
  • Summed analog signal in the temperature 1 channel(t1_analog_high)
  • Supplemental 2(s2)
  • Summed analog signal in the temperature 2 channel(t2_analog_high)
  • Supplemental 9(s9)
  • Laser head in use(laser_head)
  • Supplemental 8(s8)
  • Supplemental 7(s7)
  • Supplemental 6(s6)
  • Number of laser shots recorded for the temperature 1 channel(shots_summed_t1_high)
  • Number of photons counted in the low nitrogen channel(nitrogen_counts_low)
  • Supplemental 1(s1)
  • Summed analog signal in the low nitrogen channel(nitrogen_analog_low)
  • Summed analog signal in the high depolarization channel(depolarization_analog_high)
  • Number of photons counted in the temperature 2 channel(t2_counts_high)
  • -180.0 - +180.0(alt)
  • Number of laser shots recorded for the temperature 2 channel(shots_summed_t2_high)
  • Number of photons counted in the temperature 1 channel(t1_counts_high)
  • base time in epoch(base_time)
  • Number of laser shots recorded for the high nitrogen channel(shots_summed_nitrogen_high)
  • Summed analog signal in the high elastic channel(elastic_analog_high)
  • Temperature 6 inside the instrument enclosure(temp6)
  • Temperature 5 inside the instrument enclosure(temp5)
  • Number of photons counted in the high elastic (aerosol) channel(elastic_counts_high)
  • Temperature 4 inside the instrument enclosure(temp4)
  • Temperature 3 inside the instrument enclosure(temp3)
  • Temperature average, sensor 2(temp2)
  • Temperature average, sensor 1(temp1)
  • lon(lon)
  • Number of laser shots recorded for the low nitrogen channel(shots_summed_nitrogen_low)
  • Nominal number of seconds of data acquired(acquisition_time)
  • Number of laser shots recorded for the low water channel(shots_summed_water_low)
  • Supplemental 10(s10)
  • Number of laser shots recorded for the high elastic channel(shots_summed_elastic_high)
  • Cloud value check flag(cloud_value_check)
  • Number of photons counted in the low water vapor channel(water_counts_low)
  • Number of photons counted in the low elastic (aerosol) channel(elastic_counts_low)
  • Number of laser shots recorded for the high depolarization channel(shots_summed_depolarization_high)
  • time_in_seconds_since_volume_start(time)
  • Laser pulse energy(pulse_energy)
  • Number of laser shots recorded for the high water channel(shots_summed_water_high)
  • Wavelength of each of the 6 filters measured by the MFR radiometers(filter)
  • Time offset from base_time(time_offset)
  • Number of laser shots recorded for the low elastic channel(shots_summed_elastic_low)
  • Count rate in the high depolarization channel(depolarization_counts_high)
more
olirlM1.00:
  • (Raw data stream - documentation not supported)
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