SGP/DL/DLPROF/C1 - Data collected at vendor facility

Data collected during this period were recorded at the vendor facility in England (not 
SGP) for test purposes only.

Do not use these data.

• Attenuated backscatter(attenuated_backscatter)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)
• lon(lon)
• Distance to the center of the corresponding range bin(range)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• Radial velocity(radial_velocity)
• base time in epoch(base_time)
• Beam Elevation Angle(elevation)
• Intensity (signal to noise ratio + 1)(intensity)
• Beam azimuth relative to Lidar home point(relative_azimuth)

• Radial velocity(radial_velocity)
• base time in epoch(base_time)
• Attenuated backscatter(attenuated_backscatter)
• lon(lon)
• Time offset from base_time(time_offset)
• Azimuth of Radar Ray(azimuth)
• Quality check results on field: Radial velocity(qc_radial_velocity)
• North Latitude(lat)
• Intensity (signal to noise ratio + 1)(intensity)
• -180.0 - +180.0(alt)
• time_in_seconds_since_volume_start(time)
• Beam Elevation Angle(elevation)
• Distance to the center of the corresponding range bin(range)
• Results of quality checks on sample time(qc_time)

• Relative humidity calculated from the merged water vapor mixing ratio data(relative_humidity)
• Roll angle reported by tilt table, positive is port side up(roll)
• Battery voltage(battery_voltage)
• base time in epoch(base_time)
• Time offset from base_time(time_offset)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• Pitch, bow up positive(pitch)
• Temperature used for calculation(temperature)
• time_in_seconds_since_volume_start(time)
• lon(lon)

• Attenuated backscatter(attenuated_backscatter)
• Radial velocity(radial_velocity)
• Results of quality checks on sample time(qc_time)
• Beam azimuth relative to Lidar home point(relative_azimuth)
• Time offset from base_time(time_offset)
• base time in epoch(base_time)
• time_in_seconds_since_volume_start(time)
• Distance to the center of the corresponding range bin(range)
• Azimuth of Radar Ray(azimuth)
• Quality check results on field: Radial velocity(qc_radial_velocity)
• lon(lon)
• Intensity (signal to noise ratio + 1)(intensity)
• Beam Elevation Angle(elevation)
• North Latitude(lat)
• -180.0 - +180.0(alt)

• -180.0 - +180.0(alt)
• base time in epoch(base_time)
• North Latitude(lat)
• time_in_seconds_since_volume_start(time)
• Attenuated backscatter(attenuated_backscatter)
• Radial velocity(radial_velocity)
• Intensity (signal to noise ratio + 1)(intensity)
• lon(lon)
• Beam azimuth relative to Lidar home point(relative_azimuth)
• Beam Elevation Angle(elevation)
• Distance to the center of the corresponding range bin(range)
• Time offset from base_time(time_offset)

• lon(lon)
• Attenuated backscatter(attenuated_backscatter)
• Intensity (signal to noise ratio + 1)(intensity)
• Time offset from base_time(time_offset)
• Beam Elevation Angle(elevation)
• base time in epoch(base_time)
• Radial velocity(radial_velocity)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• Distance to the center of the corresponding range bin(range)
• time_in_seconds_since_volume_start(time)
• Results of quality checks on sample time(qc_time)
• Azimuth of Radar Ray(azimuth)
• Quality check results on field: Radial velocity(qc_radial_velocity)

• Distance to the center of the corresponding range bin(range)
• Radial velocity(radial_velocity)
• North Latitude(lat)
• Attenuated backscatter(attenuated_backscatter)
• -180.0 - +180.0(alt)
• Beam Elevation Angle(elevation)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)
• base time in epoch(base_time)
• Intensity (signal to noise ratio + 1)(intensity)
• lon(lon)
• Beam azimuth relative to Lidar home point(relative_azimuth)

• Beam azimuth relative to Lidar home point(relative_azimuth)
• lon(lon)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• Attenuated backscatter(attenuated_backscatter)
• Distance to the center of the corresponding range bin(range)
• Results of quality checks on sample time(qc_time)
• time_in_seconds_since_volume_start(time)
• Beam Elevation Angle(elevation)
• Azimuth of Radar Ray(azimuth)
• Radial velocity(radial_velocity)
• Intensity (signal to noise ratio + 1)(intensity)
• Quality check results on field: Radial velocity(qc_radial_velocity)
• base time in epoch(base_time)
• Time offset from base_time(time_offset)

• Intensity (signal to noise ratio + 1)(intensity)
• Results of quality checks on sample time(qc_time)
• Distance to the center of the corresponding range bin(range)
• Beam Elevation Angle(elevation)
• lon(lon)
• Radial velocity(radial_velocity)
• Attenuated backscatter(attenuated_backscatter)
• Azimuth of Radar Ray(azimuth)
• Quality check results on field: Radial velocity(qc_radial_velocity)
• base time in epoch(base_time)
• North Latitude(lat)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)
• -180.0 - +180.0(alt)

• lon(lon)
• Time offset from base_time(time_offset)
• Distance to the center of the corresponding range bin(range)
• time_in_seconds_since_volume_start(time)
• Attenuated backscatter(attenuated_backscatter)
• Beam azimuth relative to Lidar home point(relative_azimuth)
• base time in epoch(base_time)
• Radial velocity(radial_velocity)
• Intensity (signal to noise ratio + 1)(intensity)
• Beam Elevation Angle(elevation)
• North Latitude(lat)
• -180.0 - +180.0(alt)

• Time offset from base_time(time_offset)
• Median Doppler lidar cloud base height(dl_cbh)
• Ceilometer cloud base height 75th percentile(ceil_cbh_75)
• Temperature from eddy correlation system(ecor_temp)
• 1000 * log10(noise signal level)(noise)
• Number of raw digitizer samples per range gate for the Doppler lidar(ngate_samples)
• lon(lon)
• Turbulence kinetic energy from eddy correlation system(ecor_tke)
• Water vapor density from eddy correlation system(ecor_h2o)
• Vertical velocity kurtosis using SNR threshold(w_kurtosis)
• Time range for the hourly averages, in time offset from midnight(time_bounds)
• Fraction of time that a cloud is detected during averaging period from ceil(ceil_cloud_frequency)
• Median vertical velocity(w)
• Minimum surface precipitation rate during averaging period from MET(met_spr_min)
• Doppler lidar cloud base vertical velocity updraft fraction(cbw_up_fraction)
• MET altitude(met_alt)
• Ceilometer cloud base height 25th percentile(ceil_cbh_25)
• North Latitude(lat)
• SNR 25th percentile(snr_25)
• Averaging time interval(averaging_time)
• Noise corrected vertical velocity variance(w_variance)
• Wt covariance from eddy correlation system(ecor_wt)
• -180.0 - +180.0(alt)
• Vertical velocity skewness from eddy correlation system(ecor_w_skew)
• Wq covariance from eddy correlation system(ecor_wq)
• Vertical velocity 25th percentile(w_25)
• MET latitude(met_lat)
• Ceilometer altitude above mean sea level(ceil_alt)
• time_in_seconds_since_volume_start(time)
• Doppler lidar digitizer sample rate(sample_frequency)
• Ceilometer north latitude(ceil_lat)
• Maximum detection height for dl_cbh(dl_cbh_zmax)
• Maximum detection height for ceil_cbh(ceil_cbh_zmax)
• Friction velocity from eddy correlation system(ecor_ustar)
• Vertical velocity kurtosis from eddy correlation system(ecor_w_kurt)
• base time in epoch(base_time)
• Median ceilometer cloud base height(ceil_cbh)
• Doppler lidar cloud base vertical velocity 25th percentile(cbw_25)
• Signal-to-noise-ratio(snr)
• East longitude MET system(met_lon)
• East longitude of eddy correlation system(ecor_lon)
• Height(height)
• Doppler lidar cloud base vertical velocity 75th percentile(cbw_75)
• SNR threshold(snr_threshold)
• North latitude of eddy correlation system(ecor_lat)
• Altitude above mean sea level of eddy correlation system(ecor_alt)
• SNR 75th percentile(snr_75)
• Vertical velocity 75th percentile(w_75)
• Doppler lidar cloud base height 25th percentile(dl_cbh_25)
• Maximum surface precipitation rate from MET(met_spr_max)
• Median Doppler lidar cloud base vertical velocity(cbw)
• Vertical velocity skewness using SNR threshold(w_skewness)
• Ceilometer east longitude(ceil_lon)
• Vertical velocity variance from eddy correlation system(ecor_w_var)
• Top of atmosphere spectrum wavelengths(wavelength)
• Mean surface precipitation rate from MET(met_spr_mean)
• Doppler lidar cloud base height 75th percentile(dl_cbh_75)
• Fraction of time that a cloud is detected during averaging period from DL(dl_cloud_frequency)
• Number of laser shots averaged per beam for the Doppler lidar(nshots)

• (Raw data stream - documentation not supported)

• Distance to the center of the corresponding range bin(range)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)
• lon(lon)
• Beam Elevation Angle(elevation)
• North Latitude(lat)
• Radial velocity(radial_velocity)
• -180.0 - +180.0(alt)
• Attenuated backscatter(attenuated_backscatter)
• Intensity (signal to noise ratio + 1)(intensity)
• Beam azimuth relative to Lidar home point(relative_azimuth)
• base time in epoch(base_time)

• Time offset from base_time(time_offset)
• Radial velocity(radial_velocity)
• base time in epoch(base_time)
• time_in_seconds_since_volume_start(time)
• Attenuated backscatter(attenuated_backscatter)
• Intensity (signal to noise ratio + 1)(intensity)
• Distance to the center of the corresponding range bin(range)
• lon(lon)
• Beam Elevation Angle(elevation)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• Results of quality checks on sample time(qc_time)
• Quality check results on field: Radial velocity(qc_radial_velocity)
• Azimuth of Radar Ray(azimuth)

• Vector mean surface wind speed from MET(met_wspd)
• Estimated error in eastward component of wind vector(u_error)
• Time offset from base_time(time_offset)
• lon(lon)
• time_in_seconds_since_volume_start(time)
• Estimated error in northward component of wind vector(v_error)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• base time in epoch(base_time)
• PPI scan duration(scan_duration)
• Minimum surface precipitation rate during averaging period from MET(met_spr_min)
• Signal to noise ratio averaged over nbeams(mean_snr)
• Wind direction error(wind_direction_error)
• Median vertical velocity(w)
• v-component of wind(v)
• u-component of wind(u)
• Fit correlation coefficient(correlation)
• MET latitude(met_lat)
• Vector mean surface wind direction from MET(met_wdir)
• Averaging period length used for MET data(met_dt)
• Wind speed 5m AGL at the ground station(wind_speed)
• MET altitude(met_alt)
• Elevation angle(elevation_angle)
• Mean surface precipitation rate during averaging period from MET(met_spr)
• Fit residual(residual)
• Number of beams (azimuth angles) used in wind vector estimation(nbeams)
• Wind speed error(wind_speed_error)
• Height(height)
• Estimated error in vertical component of wind vector(w_error)
• East longitude MET system(met_lon)
• SNR threshold(snr_threshold)
• Direction from which the wind blows, with respect to Geographic or Magnetic
  north(wind_direction)
• Maximum surface precipitation rate from MET(met_spr_max)