netcdf sgpxsaprcfrI4.a1.20230707.170009 { dimensions: time = UNLIMITED ; // (6480 currently) range = 1001 ; sweep = 18 ; string_length_22 = 22 ; frequency = 1 ; r_calib = 1 ; variables: int base_time ; base_time:string = "2023-07-07 17:00:07 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2023-07-07 17:00:07 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time in seconds since volume start" ; time:units = "seconds since 2023-07-07 17:00:07 0:00" ; time:standard_name = "time" ; time:calendar = "gregorian" ; short attenuation_corrected_differential_reflectivity(time, range) ; attenuation_corrected_differential_reflectivity:long_name = "Rainfall attenuation-corrected differential reflectivity" ; attenuation_corrected_differential_reflectivity:units = "dB" ; attenuation_corrected_differential_reflectivity:coordinates = "elevation azimuth range" ; attenuation_corrected_differential_reflectivity:standard_name = "radar_differential_reflectivity_hv" ; attenuation_corrected_differential_reflectivity:add_offset = 0.f ; attenuation_corrected_differential_reflectivity:scale_factor = 1.f ; attenuation_corrected_differential_reflectivity:_FillValue = -32767s ; short attenuation_corrected_reflectivity_h(time, range) ; attenuation_corrected_reflectivity_h:long_name = "Rainfall attenuation-corrected reflectivity, horizontal channel" ; attenuation_corrected_reflectivity_h:units = "dBZ" ; attenuation_corrected_reflectivity_h:coordinates = "elevation azimuth range" ; attenuation_corrected_reflectivity_h:standard_name = "equivalent_reflectivity_factor" ; attenuation_corrected_reflectivity_h:add_offset = 0.f ; attenuation_corrected_reflectivity_h:scale_factor = 1.f ; attenuation_corrected_reflectivity_h:_FillValue = -32767s ; short cross_correlation_ratio_hv(time, range) ; cross_correlation_ratio_hv:long_name = "Cross-polar correlation ratio" ; cross_correlation_ratio_hv:units = "1" ; cross_correlation_ratio_hv:coordinates = "elevation azimuth range" ; cross_correlation_ratio_hv:standard_name = "cross_correlation_ratio_hv" ; cross_correlation_ratio_hv:add_offset = 0.5f ; cross_correlation_ratio_hv:scale_factor = 1.525972e-05f ; cross_correlation_ratio_hv:_FillValue = -32767s ; short differential_phase(time, range) ; differential_phase:long_name = "Differential propagation phase shift" ; differential_phase:units = "degree" ; differential_phase:coordinates = "elevation azimuth range" ; differential_phase:standard_name = "radar_differential_phase_hv" ; differential_phase:add_offset = 179.9973f ; differential_phase:scale_factor = 0.005493416f ; differential_phase:_FillValue = -32767s ; short differential_reflectivity(time, range) ; differential_reflectivity:long_name = "Differential reflectivity" ; differential_reflectivity:units = "dB" ; differential_reflectivity:coordinates = "elevation azimuth range" ; differential_reflectivity:standard_name = "radar_differential_reflectivity_hv" ; differential_reflectivity:add_offset = 17.555f ; differential_reflectivity:scale_factor = 0.001665293f ; differential_reflectivity:_FillValue = -32767s ; short mean_doppler_velocity(time, range) ; mean_doppler_velocity:long_name = "Radial mean Doppler velocity, positive for motion away from the instrument" ; mean_doppler_velocity:units = "m/s" ; mean_doppler_velocity:coordinates = "elevation azimuth range" ; mean_doppler_velocity:standard_name = "radial_velocity_of_scatterers_away_from_instrument" ; mean_doppler_velocity:add_offset = 0.f ; mean_doppler_velocity:scale_factor = 0.0003262528f ; mean_doppler_velocity:_FillValue = -32767s ; short normalized_coherent_power(time, range) ; normalized_coherent_power:long_name = "Normalized coherent power, also known as SQI." ; normalized_coherent_power:units = "1" ; normalized_coherent_power:coordinates = "elevation azimuth range" ; normalized_coherent_power:standard_name = "radar_normalized_coherent_power" ; normalized_coherent_power:add_offset = 0.4996109f ; normalized_coherent_power:scale_factor = 1.524691e-05f ; normalized_coherent_power:_FillValue = -32767s ; int radar_echo_classification(time, range) ; radar_echo_classification:long_name = "Radar echo classification" ; radar_echo_classification:units = "1" ; radar_echo_classification:coordinates = "elevation azimuth range" ; radar_echo_classification:standard_name = "radar_echo_classification" ; radar_echo_classification:flag_values = 0, 1, 2, 3, 4, 5, 6, 255, 65535 ; radar_echo_classification:flag_meanings = "no_data_available non_meteorological_target rain wet_snow snow graupel hail area_not_scanned area_not_scanned" ; short reflectivity(time, range) ; reflectivity:long_name = "Equivalent reflectivity factor" ; reflectivity:units = "dBZ" ; reflectivity:coordinates = "elevation azimuth range" ; reflectivity:standard_name = "equivalent_reflectivity_factor" ; reflectivity:add_offset = 3.785f ; reflectivity:scale_factor = 0.001660715f ; reflectivity:_FillValue = -32767s ; short reflectivity_enhanced(time, range) ; reflectivity_enhanced:long_name = "Equivalent reflectivity factor enhanced" ; reflectivity_enhanced:units = "dBZ" ; reflectivity_enhanced:coordinates = "elevation azimuth range" ; reflectivity_enhanced:standard_name = "equivalent_reflectivity_factor" ; reflectivity_enhanced:add_offset = 0.f ; reflectivity_enhanced:scale_factor = 1.f ; reflectivity_enhanced:_FillValue = -32767s ; short reflectivity_v(time, range) ; reflectivity_v:long_name = "Equivalent reflectivity factor, vertical channel" ; reflectivity_v:units = "dBZ" ; reflectivity_v:coordinates = "elevation azimuth range" ; reflectivity_v:standard_name = "equivalent_reflectivity_factor" ; reflectivity_v:add_offset = 0.f ; reflectivity_v:scale_factor = 1.f ; reflectivity_v:_FillValue = -32767s ; short signal_to_noise_ratio(time, range) ; signal_to_noise_ratio:long_name = "Signal-to-noise ratio, horizontal channel" ; signal_to_noise_ratio:units = "dB" ; signal_to_noise_ratio:coordinates = "elevation azimuth range" ; signal_to_noise_ratio:standard_name = "radar_signal_to_noise_ratio" ; signal_to_noise_ratio:add_offset = 30.935f ; signal_to_noise_ratio:scale_factor = 0.001467833f ; signal_to_noise_ratio:_FillValue = -32767s ; short specific_differential_phase(time, range) ; specific_differential_phase:long_name = "Specific differential phase (KDP)" ; specific_differential_phase:units = "degree/km" ; specific_differential_phase:coordinates = "elevation azimuth range" ; specific_differential_phase:standard_name = "radar_specific_differential_phase_hv" ; specific_differential_phase:add_offset = 10.11f ; specific_differential_phase:scale_factor = 0.0003888177f ; specific_differential_phase:_FillValue = -32767s ; short spectral_width(time, range) ; spectral_width:long_name = "Spectral width" ; spectral_width:units = "m/s" ; spectral_width:coordinates = "elevation azimuth range" ; spectral_width:standard_name = "radar_doppler_spectrum_width" ; spectral_width:add_offset = 3.68f ; spectral_width:scale_factor = 0.0001120063f ; spectral_width:_FillValue = -32767s ; short total_power(time, range) ; total_power:long_name = "Total power" ; total_power:units = "dBZ" ; total_power:coordinates = "elevation azimuth range" ; total_power:standard_name = "equivalent_reflectivity_factor" ; total_power:add_offset = 16.22f ; total_power:scale_factor = 0.001403894f ; total_power:_FillValue = -32767s ; short total_power_enhanced(time, range) ; total_power_enhanced:long_name = "Total power enhanced" ; total_power_enhanced:units = "dBZ" ; total_power_enhanced:coordinates = "elevation azimuth range" ; total_power_enhanced:standard_name = "equivalent_reflectivity_factor" ; total_power_enhanced:add_offset = 0.f ; total_power_enhanced:scale_factor = 1.f ; total_power_enhanced:_FillValue = -32767s ; short total_power_v(time, range) ; total_power_v:long_name = "Total power, vertical channel" ; total_power_v:units = "dBZ" ; total_power_v:coordinates = "elevation azimuth range" ; total_power_v:standard_name = "equivalent_reflectivity_factor" ; total_power_v:add_offset = 0.f ; total_power_v:scale_factor = 1.f ; total_power_v:_FillValue = -32767s ; float range(range) ; range:long_name = "Range to measurement volume" ; range:units = "m" ; range:meters_between_gates = 100.f ; range:meters_to_center_of_first_gate = 0.f ; range:spacing_is_constant = "True" ; range:standard_name = "projection_range_coordinate" ; range:axis = "radial_range_coordinate" ; float frequency(frequency) ; frequency:long_name = "Transmit center frequency" ; frequency:units = "Hz" ; frequency:standard_name = "radiation_frequency" ; frequency:meta_group = "instrument_parameters" ; float azimuth(time) ; azimuth:long_name = "Azimuth angle from true north" ; azimuth:units = "degree" ; azimuth:standard_name = "sensor_to_target_azimuth_angle" ; azimuth:axis = "radial_azimuth_coordinate" ; azimuth:_FillValue = -9999.f ; float elevation(time) ; elevation:long_name = "Elevation angle from horizontal plane" ; elevation:units = "degree" ; elevation:standard_name = "sensor_to_target_elevation_angle" ; elevation:axis = "radial_elevation_coordinate" ; elevation:_FillValue = -9999.f ; float fixed_angle(sweep) ; fixed_angle:long_name = "Ray target fixed angle" ; fixed_angle:units = "degree" ; fixed_angle:_FillValue = -9999.f ; int n_samples(time) ; n_samples:long_name = "Number of Samples used to compute moments" ; n_samples:units = "1" ; n_samples:meta_group = "instrument_parameters" ; n_samples:standard_name = "number_of_samples_used_to_compute_moments" ; n_samples:_FillValue = -9999 ; float nyquist_velocity(time) ; nyquist_velocity:long_name = "Unambiguous doppler velocity" ; nyquist_velocity:units = "m/s" ; nyquist_velocity:meta_group = "instrument_parameters" ; nyquist_velocity:_FillValue = -9999.f ; float prt(time) ; prt:long_name = "Pulse repetition time" ; prt:units = "s" ; prt:_FillValue = -9999.f ; char prt_mode(sweep, string_length_22) ; prt_mode:long_name = "Transmit pulse mode" ; prt_mode:units = "1" ; prt_mode:meta_group = "instrument_parameters" ; prt_mode:standard_name = "transmit_pulse_mode" ; float r_calib_radar_constant_h(r_calib) ; r_calib_radar_constant_h:long_name = "Calibrated radar constant horizontal channel" ; r_calib_radar_constant_h:units = "dB" ; r_calib_radar_constant_h:meta_group = "radar_calibration" ; r_calib_radar_constant_h:standard_name = "calibrated_radar_constant_h_channel" ; r_calib_radar_constant_h:_FillValue = -9999.f ; float r_calib_radar_constant_v(r_calib) ; r_calib_radar_constant_v:long_name = "Calibrated radar constant vertical channel" ; r_calib_radar_constant_v:units = "dB" ; r_calib_radar_constant_v:meta_group = "radar_calibration" ; r_calib_radar_constant_v:standard_name = "calibrated_radar_constant_v_channel" ; r_calib_radar_constant_v:_FillValue = -9999.f ; float radar_measured_transmit_power(time) ; radar_measured_transmit_power:long_name = "Radar measured transmit peak power" ; radar_measured_transmit_power:units = "dBm" ; radar_measured_transmit_power:meta_group = "instrument_parameters" ; radar_measured_transmit_power:standard_name = "radar_transmit_power" ; radar_measured_transmit_power:_FillValue = -9999.f ; float radar_receiver_bandwidth ; radar_receiver_bandwidth:long_name = "Radar receiver bandwidth" ; radar_receiver_bandwidth:units = "Hz" ; radar_receiver_bandwidth:meta_group = "radar_parameters" ; radar_receiver_bandwidth:_FillValue = -9999.f ; int sweep_start_ray_index(sweep) ; sweep_start_ray_index:long_name = "Index of first ray in sweep" ; sweep_start_ray_index:units = "1" ; sweep_start_ray_index:_FillValue = -9999 ; int sweep_end_ray_index(sweep) ; sweep_end_ray_index:long_name = "Index of last ray in sweep" ; sweep_end_ray_index:units = "1" ; sweep_end_ray_index:_FillValue = -9999 ; char sweep_mode(sweep, string_length_22) ; sweep_mode:long_name = "Scan mode for sweep" ; sweep_mode:units = "1" ; int sweep_number(sweep) ; sweep_number:long_name = "Sweep index number 0 based" ; sweep_number:units = "1" ; sweep_number:_FillValue = -9999 ; float unambiguous_range(time) ; unambiguous_range:long_name = "Unambiguous Range" ; unambiguous_range:units = "m" ; unambiguous_range:meta_group = "instrument_parameters" ; unambiguous_range:standard_name = "unambiguous_range" ; unambiguous_range:_FillValue = -9999.f ; int volume_number ; volume_number:long_name = "Data volume index number" ; volume_number:units = "1" ; volume_number:standard_name = "volume_number" ; volume_number:_FillValue = -9999 ; float latitude ; latitude:long_name = "Latitude" ; latitude:units = "degree_N" ; latitude:standard_name = "latitude" ; latitude:valid_min = -90.f ; latitude:valid_max = 90.f ; latitude:_FillValue = -9999.f ; float longitude ; longitude:long_name = "Longitude" ; longitude:units = "degree_E" ; longitude:standard_name = "longitude" ; longitude:valid_min = -180.f ; longitude:valid_max = 180.f ; longitude:_FillValue = -9999.f ; float altitude ; altitude:long_name = "Altitude" ; altitude:units = "m" ; altitude:standard_name = "altitude" ; altitude:_FillValue = -9999.f ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:standard_name = "latitude" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:_FillValue = -9999.f ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:standard_name = "longitude" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:_FillValue = -9999.f ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; alt:_FillValue = -9999.f ; // global attributes: :command_line = "xsaprcfr_ingest -s sgp -f I4" ; :Conventions = "ARM-1.2 CF/Radial-1.4 instrument_parameters radar_parameters radar_calibration" ; :process_version = "ingest-xsaprcfr-1.4-0.el7" ; :dod_version = "xsaprcfr-a1-1.0" ; :input_source = "/data/collection/sgp/sgpxsaprI4.00/XSE230707170007.RAWDHRZ" ; :site_id = "sgp" ; :platform_id = "xsaprcfr" ; :facility_id = "I4" ; :data_level = "a1" ; :location_description = "Southern Great Plains (SGP), Billings, Oklahoma" ; :datastream = "sgpxsaprcfrI4.a1" ; :antenna_altitude = "6.55 m" ; :antenna_diameter = "2.40 m" ; :comment = "" ; :institution = "U.S. Department of Energy Atmospheric Radiation Measurement (ARM) Climate Research Facility" ; :instrument_name = "XSAPR-1" ; :iris_version = "IRIS software version: 8.13" ; :playback_version = 0 ; :radar_version = "XSAPR-1" ; :references = "See Instrument Handbook" ; :scan_mode = "ppi" ; :scan_name = "ppi" ; :site_name = "sgpI4" ; :source = "IRIS software version: 8.13" ; :task_name = "OPS_PPIV " ; :title = "ARM XSAPR Moments" ; :doi = "10.5439/1463663" ; :history = "created by user dsmgr on machine prod-proc3.adc.arm.gov at 2023-07-07 18:54:31, using ingest-xsaprcfr-1.4-0.el7" ; }