netcdf corxsacrhsrhiM1.a1.20190330.072530 { dimensions: time = UNLIMITED ; // (594 currently) range = 826 ; sweep = 6 ; frequency = 1 ; r_calib = 1 ; string_length_4 = 4 ; string_length_6 = 6 ; string_length_10 = 10 ; string_length_21 = 21 ; string_length_24 = 24 ; variables: int base_time ; base_time:string = "2019-03-30 07:25:30 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2019-03-30 07:25:30 0:00" ; double time(time) ; time:long_name = "time in seconds since volume start" ; time:units = "seconds since 2019-03-30T07:25:30Z" ; time:standard_name = "time" ; time:comment = "times are relative to the volume start time" ; float range(range) ; range:long_name = "Range to measurement volume" ; range:units = "m" ; range:standard_name = "projection_range_coordinate" ; range:spacing_is_constant = "true" ; range:meters_to_center_of_first_gate = 338.016f ; range:meters_between_gates = 74.948f ; range:axis = "radial_range_coordinate" ; float azimuth(time) ; azimuth:long_name = "Azimuth angle from true north" ; azimuth:units = "degree" ; azimuth:standard_name = "beam_azimuth_angle" ; azimuth:axis = "radial_azimuth_coordinate" ; float elevation(time) ; elevation:long_name = "Elevation angle from horizontal" ; elevation:units = "degree" ; elevation:standard_name = "beam_elevation_angle" ; elevation:axis = "radial_elevation_coordinate" ; float scan_rate(time) ; scan_rate:long_name = "Scan rate, positive for clockwise or increasing elevation" ; scan_rate:units = "degree/s" ; scan_rate:standard_name = "antenna_angle_scan_rate" ; int antenna_transition(time) ; antenna_transition:long_name = "Antenna transition indicator, 1 if between sweeps, otherwise 0" ; antenna_transition:units = "unitless" ; antenna_transition:standard_name = "antenna_is_in_transition_between_sweeps" ; short reflectivity(time, range) ; reflectivity:long_name = "Equivalent reflectivity factor" ; reflectivity:units = "dBZ" ; reflectivity:standard_name = "equivalent_reflectivity_factor" ; reflectivity:_FillValue = -9999s ; reflectivity:scale_factor = 0.003236041f ; reflectivity:add_offset = -48.13976f ; reflectivity:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; reflectivity:coordinates = "elevation azimuth range" ; short mean_doppler_velocity(time, range) ; mean_doppler_velocity:long_name = "Mean Doppler velocity" ; mean_doppler_velocity:units = "m/s" ; mean_doppler_velocity:standard_name = "radial_velocity_of_scatterers_away_from_instrument" ; mean_doppler_velocity:_FillValue = -9999s ; mean_doppler_velocity:scale_factor = 0.0010913f ; mean_doppler_velocity:add_offset = -17.27332f ; mean_doppler_velocity:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; mean_doppler_velocity:coordinates = "elevation azimuth range" ; short spectral_width(time, range) ; spectral_width:long_name = "Spectrum width" ; spectral_width:units = "m/s" ; spectral_width:standard_name = "doppler_spectrum_width" ; spectral_width:_FillValue = -9999s ; spectral_width:scale_factor = 0.0003791412f ; spectral_width:add_offset = 0.f ; spectral_width:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; spectral_width:coordinates = "elevation azimuth range" ; short snr(time, range) ; snr:long_name = "Signal-to-noise-ratio" ; snr:units = "dB" ; snr:standard_name = "signal_to_noise_ratio" ; snr:_FillValue = -9999s ; snr:scale_factor = 0.004008749f ; snr:add_offset = -50.55656f ; snr:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; snr:coordinates = "elevation azimuth range" ; short differential_reflectivity(time, range) ; differential_reflectivity:long_name = "Differential reflectivity" ; differential_reflectivity:units = "dB" ; differential_reflectivity:standard_name = "log_differential_reflectivity_hV" ; differential_reflectivity:_FillValue = -9999s ; differential_reflectivity:scale_factor = 0.002487792f ; differential_reflectivity:add_offset = -39.65008f ; differential_reflectivity:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; differential_reflectivity:coordinates = "elevation azimuth range" ; short copol_correlation_coeff(time, range) ; copol_correlation_coeff:long_name = "Copolar correlation coefficient (also known as rhoHV)" ; copol_correlation_coeff:units = "unitless" ; copol_correlation_coeff:missing_value = -9999s ; copol_correlation_coeff:_FillValue = -9999s ; copol_correlation_coeff:scale_factor = 6.368461e-05f ; copol_correlation_coeff:add_offset = 0.f ; copol_correlation_coeff:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; copol_correlation_coeff:standard_name = "cross_correlation_ratio_hv" ; short differential_phase(time, range) ; differential_phase:long_name = "Differential propagation phase shift" ; differential_phase:units = "degree" ; differential_phase:missing_value = -9999s ; differential_phase:_FillValue = -9999s ; differential_phase:scale_factor = 0.01119153f ; differential_phase:add_offset = -179.9982f ; differential_phase:comment = "To unpack field, multiply values by the scale_factor attribute, then add the add_offset attribute." ; differential_phase:standard_name = "differential_phase_hv" ; float prt(time) ; prt:long_name = "Pulse repetition time" ; prt:units = "s" ; prt:meta_group = "instrument_parameters" ; prt:standard_name = "pulse_repetition_time" ; float pulse_width(time) ; pulse_width:long_name = "Pulse width" ; pulse_width:units = "s" ; pulse_width:meta_group = "instrument_parameters" ; pulse_width:standard_name = "transmitter_pulse_width" ; float nyquist_velocity(time) ; nyquist_velocity:long_name = "Unambiguous Doppler velocity" ; nyquist_velocity:units = "m/s" ; nyquist_velocity:meta_group = "instrument_parameters" ; nyquist_velocity:standard_name = "unambiguous_doppler_velocity" ; 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" ; int n_samples(time) ; n_samples:long_name = "Number of samples used to compute moments" ; n_samples:units = "unitless" ; n_samples:meta_group = "instrument_parameters" ; n_samples:standard_name = "number_of_samples_used_to_compute_moments" ; int volume_number ; volume_number:long_name = "Volume number" ; volume_number:units = "unitless" ; volume_number:standard_name = "data_volume_index_number" ; float frequency(frequency) ; frequency:long_name = "Operating frequency" ; frequency:units = "Hz" ; frequency:meta_group = "instrument_parameters" ; frequency:standard_name = "radiation_frequency" ; int sweep_number(sweep) ; sweep_number:long_name = "Sweep number" ; sweep_number:units = "count" ; sweep_number:standard_name = "sweep_index_number_0_based" ; float fixed_angle(sweep) ; fixed_angle:long_name = "Target angle for sweep" ; fixed_angle:units = "degree" ; fixed_angle:standard_name = "target_fixed_angle" ; int sweep_start_ray_index(sweep) ; sweep_start_ray_index:long_name = "Index of first ray in sweep, 0-based" ; sweep_start_ray_index:units = "count" ; sweep_start_ray_index:standard_name = "index_of_first_ray_in_sweep" ; int sweep_end_ray_index(sweep) ; sweep_end_ray_index:long_name = "Index of last ray in sweep, 0-based" ; sweep_end_ray_index:units = "count" ; sweep_end_ray_index:standard_name = "index_of_last_ray_in_sweep" ; char follow_mode(sweep, string_length_4) ; follow_mode:long_name = "Follow mode" ; follow_mode:units = "unitless" ; follow_mode:options = "none, sun, vehicle, aircraft, target, manual" ; follow_mode:meta_group = "instrument_parameters" ; follow_mode:standard_name = "follow_mode_for_scan_strategy" ; char sweep_mode(sweep, string_length_24) ; sweep_mode:long_name = "Sweep mode" ; sweep_mode:units = "unitless" ; sweep_mode:standard_name = "scan_mode_for_sweep" ; sweep_mode:comment = "possible values: sector, coplane, rhi, vertical_pointing, idle, azimuth_surveillance, elevation_surveillance, sunscan, pointing, manual_ppi, manual_rhi" ; char prt_mode(sweep, string_length_6) ; prt_mode:long_name = "PRT mode" ; prt_mode:units = "unitless" ; prt_mode:meta_group = "instrument_parameters" ; prt_mode:options = "fixed, staggered, dual" ; prt_mode:standard_name = "transmit_pulse_mode" ; char polarization_mode(sweep, string_length_10) ; polarization_mode:long_name = "Polarization mode" ; polarization_mode:units = "unitless" ; polarization_mode:meta_group = "instrument_parameters" ; polarization_mode:options = "horizontal, vertical, hv_alt, hv_sim, circular" ; polarization_mode:standard_name = "transmit_receive_polarization_mode" ; float radar_antenna_gain_h ; radar_antenna_gain_h:long_name = "Nominal radar antenna gain, h channel" ; radar_antenna_gain_h:units = "dB" ; radar_antenna_gain_h:meta_group = "radar_parameters" ; radar_antenna_gain_h:standard_name = "nominal_radar_antenna_gain_h_channel" ; float radar_antenna_gain_v ; radar_antenna_gain_v:long_name = "Nominal radar antenna gain, v channel" ; radar_antenna_gain_v:units = "dB" ; radar_antenna_gain_v:meta_group = "radar_parameters" ; radar_antenna_gain_v:standard_name = "nominal_radar_antenna_gain_v_channel" ; float radar_beam_width_h ; radar_beam_width_h:long_name = "Radar beam width, horizontal channel" ; radar_beam_width_h:units = "degree" ; radar_beam_width_h:meta_group = "radar_parameters" ; radar_beam_width_h:standard_name = "half_power_radar_beam_width_h_channel" ; float radar_beam_width_v ; radar_beam_width_v:long_name = "Radar beam width, vertical channel" ; radar_beam_width_v:units = "degree" ; radar_beam_width_v:meta_group = "radar_parameters" ; radar_beam_width_v:standard_name = "half_power_radar_beam_width_v_channel" ; float radar_measured_transmit_power_h(time) ; radar_measured_transmit_power_h:long_name = "Radar measured transmit power, h channel" ; radar_measured_transmit_power_h:units = "dBm" ; radar_measured_transmit_power_h:meta_group = "radar_parameters" ; radar_measured_transmit_power_h:standard_name = "radar_transmit_power_h_channel" ; char platform_type(string_length_6) ; platform_type:long_name = "Platform type" ; platform_type:units = "unitless" ; platform_type:standard_name = "platform_type" ; char instrument_type(string_length_6) ; instrument_type:long_name = "Instrument type" ; instrument_type:units = "unitless" ; instrument_type:standard_name = "type_of_instrument" ; char primary_axis(string_length_6) ; primary_axis:long_name = "Primary axis of rotation" ; primary_axis:units = "unitless" ; primary_axis:standard_name = "primary_axis_of_rotation" ; char time_coverage_start(string_length_21) ; time_coverage_start:long_name = "Time corresponding to first radial in file" ; time_coverage_start:units = "unitless" ; time_coverage_start:standard_name = "data_volume_start_time_utc" ; char time_coverage_end(string_length_21) ; time_coverage_end:long_name = "Time corresponding to last radial in file" ; time_coverage_end:units = "unitless" ; time_coverage_end:standard_name = "data_volume_end_time_utc" ; int r_calib_index(time) ; r_calib_index:long_name = "Index for the calibration that applies to each ray" ; r_calib_index:units = "unitless" ; r_calib_index:meta_group = "radar_calibration" ; r_calib_index:standard_name = "calibration_data_array_index_per_ray" ; char r_calib_time(r_calib, string_length_21) ; r_calib_time:long_name = "Time of the calibration that applies to each ray" ; r_calib_time:units = "UTC" ; r_calib_time:meta_group = "radar_calibration" ; r_calib_time:standard_name = "radar_calibration_time_utc" ; float r_calib_pulse_width(r_calib) ; r_calib_pulse_width:long_name = "Pulse width for this calibration" ; r_calib_pulse_width:units = "s" ; r_calib_pulse_width:meta_group = "radar_calibration" ; r_calib_pulse_width:standard_name = "radar_calibration_pulse_width" ; float r_calib_two_way_radome_loss_h(r_calib) ; r_calib_two_way_radome_loss_h:long_name = "Two-way radome loss" ; r_calib_two_way_radome_loss_h:units = "dB" ; r_calib_two_way_radome_loss_h:meta_group = "radar_calibration" ; r_calib_two_way_radome_loss_h:standard_name = "radar_calibration_two_way_radome_loss_h_channel" ; float r_calib_xmit_power_h(r_calib) ; r_calib_xmit_power_h:long_name = "Transmit power" ; r_calib_xmit_power_h:units = "dBm" ; r_calib_xmit_power_h:meta_group = "radar_calibration" ; r_calib_xmit_power_h:standard_name = "calibrated_radar_xmit_power_h_channel" ; float r_calib_receiver_gain_hc(r_calib) ; r_calib_receiver_gain_hc:long_name = "Receiver gain for horizontal copolar channel 1" ; r_calib_receiver_gain_hc:units = "dB" ; r_calib_receiver_gain_hc:meta_group = "radar_calibration" ; r_calib_receiver_gain_hc:standard_name = "calibrated_radar_receiver_gain_co_polar_channel" ; float r_calib_receiver_gain_vx(r_calib) ; r_calib_receiver_gain_vx:long_name = "Receiver gain for vertical cross-polar channel 2" ; r_calib_receiver_gain_vx:units = "dB" ; r_calib_receiver_gain_vx:meta_group = "radar_calibration" ; r_calib_receiver_gain_vx:standard_name = "calibrated_radar_receiver_gain_v_cross_polar_channel" ; float r_calib_noise_hc(r_calib) ; r_calib_noise_hc:long_name = "Noise floor power for horizontal copolar channel1" ; r_calib_noise_hc:units = "dBm" ; r_calib_noise_hc:meta_group = "radar_calibration" ; r_calib_noise_hc:standard_name = "calibrated_radar_receiver_noise_h_co_polar_channel" ; float r_calib_noise_vx(r_calib) ; r_calib_noise_vx:long_name = "Noise floor for vertical cross-polar channel 2" ; r_calib_noise_vx:units = "dBm" ; r_calib_noise_vx:meta_group = "radar_calibration" ; r_calib_noise_vx:standard_name = "calibrated_radar_receiver_noise_v_cross_polar_channel" ; float r_calib_noise_source_power_h(r_calib) ; r_calib_noise_source_power_h:long_name = "Noise power in noise source region for horizontal copolar channel 1" ; r_calib_noise_source_power_h:units = "dBm" ; r_calib_noise_source_power_h:meta_group = "radar_calibration" ; r_calib_noise_source_power_h:standard_name = "radar_calibration_noise_source_power_h_channel" ; float r_calib_noise_source_power_v(r_calib) ; r_calib_noise_source_power_v:long_name = "Noise power in noise source region for vertical cross-polar channel" ; r_calib_noise_source_power_v:units = "dBm" ; r_calib_noise_source_power_v:meta_group = "radar_calibration" ; r_calib_noise_source_power_v:standard_name = "radar_calibration_noise_source_power_v_channel" ; float r_calib_radar_constant_h(r_calib) ; r_calib_radar_constant_h:long_name = "Radar constant, horizontal copolar channel 1" ; 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" ; float r_calib_radar_constant_v(r_calib) ; r_calib_radar_constant_v:long_name = "Radar constant, vertical cross-polar channel 2" ; 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" ; float sky_noise_copol(time) ; sky_noise_copol:long_name = "Sky noise, copolar" ; sky_noise_copol:units = "dBm" ; sky_noise_copol:missing_value = -9999.f ; float sky_noise_xpol(time) ; sky_noise_xpol:long_name = "Sky noise, cross-polar" ; sky_noise_xpol:units = "dBm" ; sky_noise_xpol:missing_value = -9999.f ; float sky_power_copol(time) ; sky_power_copol:long_name = "Sky power, copolar" ; sky_power_copol:units = "dBm" ; sky_power_copol:missing_value = -9999.f ; float sky_power_xpol(time) ; sky_power_xpol:long_name = "Sky power, cross-polar" ; sky_power_xpol:units = "dBm" ; sky_power_xpol:missing_value = -9999.f ; double latitude ; latitude:long_name = "Latitude" ; latitude:units = "degree_N" ; latitude:standard_name = "latitude" ; double longitude ; longitude:long_name = "Longitude" ; longitude:units = "degree_E" ; longitude:standard_name = "longitude" ; double altitude ; altitude:long_name = "Altitude" ; altitude:units = "m" ; altitude:standard_name = "altitude" ; double altitude_agl ; altitude_agl:long_name = "Altitude above ground level" ; altitude_agl:units = "m" ; altitude_agl:standard_name = "altitude_above_ground_level" ; 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 ; 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 ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; // global attributes: :command_line = "sacr_ingest -n xsacr -s cor -f M1 -DR" ; :process_version = "ingest-sacr-3.8-0.el6" ; :dod_version = "xsacrhsrhi-a1-1.4" ; :site_id = "cor" ; :facility_id = "M1: Cordoba, Argentina" ; :data_level = "a1" ; :input_source = "/data/collection/cor/corxsacrM1.00/X_SACR_MOMENTS_20190330-072530.dat" ; :sampling_interval = "variable" ; :averaging_interval = "None" ; :serial_number = "N/A" ; :title = "ARM XSACR Moments" ; :institution = "Department of Energy Atmospheric Radiation Measurement Program" ; :references = "See SACR Instrument Handbook" ; :source = "/data/collection/cor/corxsacrM1.00/X_SACR_MOMENTS_20190330-072530.dat" ; :instrument_name = "X-SACR" ; :antenna_diameter = "1.82 m" ; :asp_chan_1_enabled = "1" ; :asp_chan_2_enabled = "1" ; :chirp_attenuation = " 3.00 dB" ; :clutter_filter_enabled = "0" ; :double_hop_enabled = "1" ; :fft_len = "64" ; :site_name = "corM1" ; :scan_name = "horizon-to-horizon RHI" ; :platform_is_mobile = "false" ; :datastream = "corxsacrhsrhiM1.a1" ; :history = "created by user dsmgr on machine ruby at 2019-04-26 15:34:36, using ingest-sacr-3.8-0.el6" ; }