SGP/RLPROF/C1 - Reduced SNR due to partial laser blockage

The laser output was partially blocked. This resulted in reduced SNR in all detection 
channels.

The data are useable but one may notice a slight increase in the noise.

• Maximum altitude used in the calculation of the aerosol optical depth from the
  extinction_1 profile(aod_1_max_ht)
• Uncertainty of the aerosol extinction coefficient profile calculated from the
  aerosol backscatter coefficient(extinction_from_backscatter_error)
• Aerosol optical depth from the surface computed from the
  extinction_from_backscatter profiles(aod_bscat_profile)
• Aerosol extinction coefficient profile from the high N2 channel data(extinction_high)
• Aerosol extinction coefficient profile created by marrying the merged extinction
  from N2 data with the extinction from backscatter data(extinction_married1)
• Error in the aerosol optical depth calculated from the extinction_1 profile(aod_1_error)
• Uncertainty of the aerosol extinction coefficient profile from the low N2
  channel(extinction_low_error)
• Error in the aerosol optical depth calculated from the
  extinction_from_backscatter profile(aod_bscat_error)
• Vertical resolution of the low aerosol extinction coefficient profile data(extinction_low_resolution)
• Aerosol backscatter coefficient at 355 nm - smoothed to N2 extinction resolution(smoothed_backscatter)
• Maximum altitude used in the calculation of the aerosol optical depth from the
  extinction_from_backscatter profile(aod_bscat_max_ht)
• Aerosol optical depth from the surface computed from the married1 extinction
  profiles(aod_married1_profile)
• Aerosol extinction coefficient profile from the low N2 channel data(extinction_low)
• Uncertainty of the married aerosol extinction coefficient profile(extinction_married1_error)
• Aerosol optical depth calculated from the extinction_from_backscatter profile(aod_bscat)
• Uncertainty in the aerosol backscatter coefficient at 355 nm(backscatter_error)
• Uncertainty in the aerosol backscatter coefficient at 355 nm - smoothed to N2
  extinction resolution(smoothed_backscatter_error)
• Vertical resolution of the high aerosol extinction coefficient profile data(extinction_high_resolution)
• Aerosol optical depth calculated from the extinction_married1 profile(aod_married1)
• Error in the aerosol optical depth calculated from the extinction_married1
  profile(aod_married1_error)
• Uncertainty of the aerosol extinction coefficient profile from the high N2
  channel(extinction_high_error)
• Aerosol extinction coefficient profile calculated from backscatter and the
  extinction-to-backscatter ratio(extinction_from_backscatter)
• Maximum altitude used in the calculation of the aerosol optical depth from the
  extinction_married1 profile(aod_married1_max_ht)
• Aerosol optical depth from the surface computed from the extinction_1 profiles(aod_1_profile)
• Aerosol volume backscattering coefficient at 355 nm(backscatter)
• Aerosol extinction coefficient profile created by merging the two N2 channels
  extinction profiles(extinction_1)
• Mask indicating from where the extinction value came from in the aerosol
  extinction coefficient profile created by marrying the merged extinction from N2
  data w(extinction_married1_mask)
• Aerosol optical depth calculated from the extinction_1 profile(aod_1)
• Uncertainty of the aerosol extinction coefficient profile from the overlap
  corrected high N2 channel(extinction_high_olap_corrected_error)
• Aerosol extinction coefficient profile from the high N2 channel data, where the
  low N2 channel was used to correct for the overlap of the high channel(extinction_high_olap_corrected)
• Uncertainty of the aerosol extinction coefficient profile created by merging the
  two N2 channels extinction profiles(extinction_1_error)
• Vertical resolution of the merged aerosol extinction coefficient profile data(extinction_1_resolution)

• Number of photons counted in the low elastic (aerosol) channel(elastic_counts_low)
• Number of photons counted in the high elastic (aerosol) channel(elastic_counts_high)
• Number of photons counted in the liquid water channel(liquid_counts_high)
• Count rate in the high water vapor channel(water_counts_high)
• Number of photons counted in the high nitrogen channel(nitrogen_counts_high)
• Number of photons counted in the temperature 1 channel(t1_counts_high)
• Number of photons counted in the temperature 2 channel(t2_counts_high)
• Number of photons counted in the low water vapor channel(water_counts_low)
• Number of photons counted in the low nitrogen channel(nitrogen_counts_low)
• Count rate in the high depolarization channel(depolarization_counts_high)

• Aerosol volume backscattering coefficient at 355 nm(backscatter)
• Uncertainty of the aerosol scattering ratio profile created by merging the two
  channels(asr_1_error)
• Uncertainty of the aerosol scattering ratio profile created by merging the two
  Calibrated channels(cal_asr_1_error)
• Aerosol scattering ratio profile created by merging the two Calibrated channels(cal_asr_1)
• Uncertainty of the Calibrated aerosol scattering ratio profile from the low
  channel(cal_asr_error_low)
• Aerosol scattering ratio profile created by merging the two channels(asr_1)
• Calibrated Aerosol scattering ratio profile from the high channel(cal_asr_high)
• Uncertainty of the aerosol scattering ratio profile from the high channel(asr_error_high)
• Uncertainty of the Calibrated aerosol scattering ratio profile from the high
  channel(cal_asr_error_high)
• Uncertainty of the aerosol scattering ratio profile from the low channel(asr_error_low)
• Calibrated Aerosol scattering ratio profile from the low channel(cal_asr_low)
• Aerosol scattering ratio profile from the high channel(asr_high)
• Aerosol scattering ratio profile from the low channel(asr_low)

• Background subtracted rotational Raman signal at 353nm(tp1)
• Background subtracted rotational Raman signal at 354nm(tp2)
• Error in the background of the rotational Raman signal at 354nm(tp2_bkg_error)
• Error in calibration coefficient a(a_coef_error)
• Calibrated rotational Raman temperature(rot_raman_temperature)
• Solar background correction factor applied to the calibration coefficient b(b_coef_scale)
• Error in calibration coefficient b(b_coef_error)
• Error in the background subtracted rotational Raman signal at 354nm(tp2_error)
• Calibration coefficient a(a_coef)
• Error in calibrated rotational Raman temperature(rot_raman_temperature_error)
• Error in the background subtracted rotational Raman signal at 353nm(tp1_error)
• Background of the rotational Raman signal at 353nm(tp1_bkg)
• Raw rotational ratio error(rot_raman_ratio_error)
• Solar background correction factor applied to the calibration coefficient a(a_coef_scale)
• Raw rotational Raman ratio(rot_raman_ratio)
• Error in the background of the rotational Raman signal at 353nm(tp1_bkg_error)
• Background of the rotational Raman signal at 354nm(tp2_bkg)
• Calibration coefficient b(b_coef)

• Uncertainty of the water vapor mixing ratio profile from the high channel(mixing_ratio_error_high)
• Water vapor mixing ratio profile from the low channel(mixing_ratio_low)
• Uncertainty of the water vapor mixing ratio profile created by merging the two
  calibrated channels(mixing_ratio_3_error)
• Uncertainty of the water vapor mixing ratio profile created by merging the two
  channels(mixing_ratio_1_error)
• Relative humidity over ice calculated from the merged water vapor mixing ratio
  data(relative_humidity_over_ice)
• Relative humidity calculated from the merged water vapor mixing ratio data(relative_humidity)
• Water vapor mixing ratio(mixing_ratio_other)
• Random error in the precipitable water vapor observed by the Raman lidar(pwv_rl_err)
• Water vapor mixing ratio profile created by merging the two calibrated channels
  together with the surface in-situ measurements(mixing_ratio_3)
• Water vapor mixing ratio profile created by merging the two calibrated channels(mixing_ratio_2)
• Uncertainty of the water vapor mixing ratio profile created by merging the two
  calibrated channels(mixing_ratio_2_error)
• Water vapor mixing ratio profile created by merging the two channels(mixing_ratio_1)
• Fraction of the total precipitable water vapor in the column sensed by the Raman
  lidar(pwv_rl_fraction)
• Uncertainty of the water vapor mixing ratio profile from the low channel(mixing_ratio_error_low)
• Precipitable water vapor observed by the Raman lidar(pwv_rl)
• Water vapor mixing ratio profile from the high channel(mixing_ratio_high)

• Linear depolarization ratio profile(depolarization_ratio)
• Cloud optical thickness computed from aerosol (elastic) data(cloud_optical_thickness_aer)
• Cloud optical thickness computed from nitrogen data(cloud_optical_thickness_n2)
• Uncertainty of the linear depolarization ratio profile(depolarization_ratio_error)

• Aerosol extinction coefficient(ext)
• Aerosol optical depth profiles at 355 nm(aod_profile)
• Precipitable water vapor(pwv)
• Aerosol scattering ratio(asr)
• Fraction of the total column amount of water vapor the Raman lidar senses(pwv_fraction)
• Aerosol optical depth uncertainty(aod_err)
• Estimated 1-sigma uncertainty in pwv(pwv_err)
• Linear depolarization ratio uncertainty(dep_err)
• Cloud optical depth from elastic data(cot)
• Uncertainty in water vapor mixing ratio observed by the Raman lidar(mr_err)
• Aerosol scattering ratio uncertainty(asr_err)
• Uncertainty in cloud optical depth from elastic data(cot_err)
• Aerosol optical depth at 355 nm(aod)
• Random error in the aerosol extinction coefficient profile(ext_err)
• Water vapor mixing ratio observed by the Raman lidar(mr)
• Linear depolarization ratio profile(dep)

• Background of the rotational Raman signal at 353nm(tp1_bkg)
• Error in the background subtracted rotational Raman signal at 353nm(tp1_error)
• Raw rotational ratio error(rot_raman_ratio_error)
• Error in the background of the rotational Raman signal at 353nm(tp1_bkg_error)
• Solar background correction factor applied to the calibration coefficient a(a_coef_scale)
• Calibrated rotational Raman temperature(rot_raman_temperature)
• Solar background correction factor applied to the calibration coefficient b(b_coef_scale)
• Error in calibration coefficient b(b_coef_error)
• Raw rotational Raman ratio(rot_raman_ratio)
• Background subtracted rotational Raman signal at 353nm(tp1)
• Calibration coefficient a(a_coef)
• Background of the rotational Raman signal at 354nm(tp2_bkg)
• Calibration coefficient b(b_coef)
• Error in calibration coefficient a(a_coef_error)
• Background subtracted rotational Raman signal at 354nm(tp2)
• Error in the background subtracted rotational Raman signal at 354nm(tp2_error)
• Error in calibrated rotational Raman temperature(rot_raman_temperature_error)
• Error in the background of the rotational Raman signal at 354nm(tp2_bkg_error)