netcdf moskasacrcfrppivM1.a1.20200930.150556 { dimensions: time = UNLIMITED ; // (1077 currently) range = 979 ; sweep = 3 ; group_pulse_number = 3 ; string_length_22 = 22 ; frequency = 1 ; r_calib = 1 ; dim4 = 4 ; variables: int base_time ; base_time:string = "2020-09-30 15:05:56 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 2020-09-30 15:05:56 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time in seconds since volume start" ; time:units = "seconds since 2020-09-30 15:05:56 0:00" ; time:standard_name = "time" ; time:calendar = "gregorian" ; short co_to_crosspol_correlation_coeff(time, range) ; co_to_crosspol_correlation_coeff:long_name = "Copolar to cross-polar correlation coefficient (also known as rhoxh)" ; co_to_crosspol_correlation_coeff:units = "1" ; co_to_crosspol_correlation_coeff:coordinates = "elevation azimuth range" ; co_to_crosspol_correlation_coeff:standard_name = "radar_correlation_coefficient_copolar_h_crosspolar_v" ; co_to_crosspol_correlation_coeff:add_offset = 0.6576247f ; co_to_crosspol_correlation_coeff:scale_factor = 2.006324e-05f ; co_to_crosspol_correlation_coeff:_FillValue = -32767s ; short crosspolar_differential_phase(time, range) ; crosspolar_differential_phase:long_name = "Cross-polar propagation phase shift" ; crosspolar_differential_phase:units = "degree" ; crosspolar_differential_phase:coordinates = "elevation azimuth range" ; crosspolar_differential_phase:standard_name = "radar_differential_phase_copolar_h_crosspolar_v" ; crosspolar_differential_phase:add_offset = 0.0003051758f ; crosspolar_differential_phase:scale_factor = 0.005493486f ; crosspolar_differential_phase:_FillValue = -32767s ; short linear_depolarization_ratio_v(time, range) ; linear_depolarization_ratio_v:long_name = "Linear depolarization ratio, vertical channel" ; linear_depolarization_ratio_v:units = "dB" ; linear_depolarization_ratio_v:coordinates = "elevation azimuth range" ; linear_depolarization_ratio_v:standard_name = "radar_linear_depolarization_ratio_v" ; linear_depolarization_ratio_v:add_offset = 12.01603f ; linear_depolarization_ratio_v:scale_factor = 0.0008058685f ; linear_depolarization_ratio_v:_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 = 0.07681489f ; mean_doppler_velocity:scale_factor = 0.0001476939f ; mean_doppler_velocity:_FillValue = -32767s ; 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 = -19.46495f ; reflectivity:scale_factor = 0.001316147f ; reflectivity:_FillValue = -32767s ; short signal_to_noise_ratio_copolar_h(time, range) ; signal_to_noise_ratio_copolar_h:long_name = "Signal-to-noise ratio, horizontal channel" ; signal_to_noise_ratio_copolar_h:units = "dB" ; signal_to_noise_ratio_copolar_h:coordinates = "elevation azimuth range" ; signal_to_noise_ratio_copolar_h:standard_name = "radar_signal_to_noise_ratio_copolar_h" ; signal_to_noise_ratio_copolar_h:add_offset = 16.35377f ; signal_to_noise_ratio_copolar_h:scale_factor = 0.00123809f ; signal_to_noise_ratio_copolar_h:_FillValue = -32767s ; short signal_to_noise_ratio_crosspolar_v(time, range) ; signal_to_noise_ratio_crosspolar_v:long_name = "Signal-to-noise ratio, Cross-polar for vertical channel" ; signal_to_noise_ratio_crosspolar_v:units = "dB" ; signal_to_noise_ratio_crosspolar_v:coordinates = "elevation azimuth range" ; signal_to_noise_ratio_crosspolar_v:standard_name = "radar_signal_to_noise_ratio_crosspolar_v" ; signal_to_noise_ratio_crosspolar_v:add_offset = 23.22391f ; signal_to_noise_ratio_crosspolar_v:scale_factor = 0.001452297f ; signal_to_noise_ratio_crosspolar_v:_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 = 0.9912328f ; spectral_width:scale_factor = 3.025187e-05f ; spectral_width:_FillValue = -32767s ; float frequency(frequency) ; frequency:long_name = "Transmit center frequency" ; frequency:units = "Hz" ; frequency:standard_name = "radiation_frequency" ; frequency:meta_group = "instrument_parameters" ; float range(range) ; range:long_name = "Range to measurement volume" ; range:units = "m" ; range:meters_between_gates = 49.965f ; range:meters_to_center_of_first_gate = 506.949f ; range:spacing_is_constant = "True" ; range:standard_name = "projection_range_coordinate" ; range:axis = "radial_range_coordinate" ; int antenna_transition(time) ; antenna_transition:long_name = "Antenna is in transition between sweeps" ; antenna_transition:units = "1" ; antenna_transition:standard_name = "antenna_transition" ; antenna_transition:flag_values = 0, 1 ; antenna_transition:flag_meanings = "antenna_is_not_in_transition_between_sweeps antenna_is_in_transition_between_sweeps" ; antenna_transition:_FillValue = -9999 ; 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 ; float group_intra_pulse_prt(group_pulse_number) ; group_intra_pulse_prt:long_name = "Prt between group pulses" ; group_intra_pulse_prt:units = "s" ; group_intra_pulse_prt:_FillValue = -9999.f ; char instrument_type(string_length_22) ; instrument_type:long_name = "Type of instrument" ; instrument_type:units = "1" ; instrument_type:standard_name = "type_of_instrument" ; 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 ; char platform_type(string_length_22) ; platform_type:long_name = "Platform type" ; platform_type:units = "1" ; platform_type:standard_name = "platform_type" ; char polarization_mode(sweep, string_length_22) ; polarization_mode:long_name = "Polarization mode for sweep" ; polarization_mode:units = "1" ; polarization_mode:meta_group = "instrument_parameters" ; polarization_mode:standard_name = "transmit_receive_polarization_mode" ; char primary_axis(string_length_22) ; primary_axis:long_name = "Primary axis of rotation" ; primary_axis:units = "1" ; primary_axis:standard_name = "primary_axis" ; 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 pulse_width(time) ; pulse_width:long_name = "Transmitter pulse width" ; pulse_width:units = "s" ; pulse_width:meta_group = "instrument_parameters" ; pulse_width:_FillValue = -9999.f ; byte r_calib_index(time) ; r_calib_index:long_name = "Calibration data array index per ray" ; r_calib_index:units = "1" ; r_calib_index:meta_group = "radar_calibration" ; r_calib_index:_FillValue = -127b ; float r_calib_noise_hc(r_calib) ; r_calib_noise_hc:long_name = "Measured noise level horizontal copolar channel" ; r_calib_noise_hc:units = "dBm" ; r_calib_noise_hc:_FillValue = -9999.f ; float r_calib_noise_source_power_h(r_calib) ; r_calib_noise_source_power_h:long_name = "Noise source power horizontal channel" ; r_calib_noise_source_power_h:units = "dBm" ; r_calib_noise_source_power_h:_FillValue = -9999.f ; float r_calib_noise_source_power_v(r_calib) ; r_calib_noise_source_power_v:long_name = "Noise source power vertical channel" ; r_calib_noise_source_power_v:units = "dBm" ; r_calib_noise_source_power_v:_FillValue = -9999.f ; float r_calib_noise_vc(r_calib) ; r_calib_noise_vc:long_name = "Measured noise level vertical copolar channel" ; r_calib_noise_vc:units = "dBm" ; r_calib_noise_vc:_FillValue = -9999.f ; float r_calib_pulse_width(r_calib) ; r_calib_pulse_width:long_name = "Calibrated Pulse Width" ; r_calib_pulse_width:units = "s" ; r_calib_pulse_width:standard_name = "r_calib_pulse_width" ; r_calib_pulse_width:_FillValue = -9999.f ; 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 r_calib_receiver_gain_hc(r_calib) ; r_calib_receiver_gain_hc:long_name = "Calibrated radar receiver gain horizontal copolar channel" ; 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" ; r_calib_receiver_gain_hc:_FillValue = -9999.f ; float r_calib_receiver_gain_vc(r_calib) ; r_calib_receiver_gain_vc:long_name = "Calibrated radar receiver gain vertical copolar channel" ; r_calib_receiver_gain_vc:units = "dB" ; r_calib_receiver_gain_vc:standard_name = "calibrated_radar_receiver_gain_v_co_polar_channel" ; r_calib_receiver_gain_vc:_FillValue = -9999.f ; float r_calib_two_way_radome_loss_h(r_calib) ; r_calib_two_way_radome_loss_h:long_name = "Radar calibration two way radome loss horizontal channel" ; r_calib_two_way_radome_loss_h:units = "dB" ; r_calib_two_way_radome_loss_h:standard_name = "radar_calibration_two_way_radome_loss_h_channel" ; r_calib_two_way_radome_loss_h:_FillValue = -9999.f ; float r_calib_xmit_power_h(r_calib) ; r_calib_xmit_power_h:long_name = "Transmit power horizontal channel" ; r_calib_xmit_power_h:units = "dBm" ; r_calib_xmit_power_h:standard_name = "r_calib_xmit_power_h" ; r_calib_xmit_power_h:_FillValue = -9999.f ; float radar_antenna_gain_h ; radar_antenna_gain_h:long_name = "Nominal Antenna gain, H Polarization" ; radar_antenna_gain_h:units = "dB" ; radar_antenna_gain_h:meta_group = "radar_parameters" ; radar_antenna_gain_h:_FillValue = -9999.f ; float radar_antenna_gain_v ; radar_antenna_gain_v:long_name = "Nominal Antenna gain, Vertical Polarization" ; radar_antenna_gain_v:units = "dB" ; radar_antenna_gain_v:meta_group = "radar_parameters" ; radar_antenna_gain_v:_FillValue = -9999.f ; float radar_beam_width_h ; radar_beam_width_h:long_name = "Half power radar beam width horizontal channel" ; radar_beam_width_h:units = "degree" ; radar_beam_width_h:_FillValue = -9999.f ; float radar_beam_width_v ; radar_beam_width_v:long_name = "Half power radar beam width vertical channel" ; radar_beam_width_v:units = "degree" ; radar_beam_width_v:_FillValue = -9999.f ; float radar_measured_sky_noise_h(time) ; radar_measured_sky_noise_h:long_name = "Measured sky noise, horizontal channel" ; radar_measured_sky_noise_h:units = "dBm" ; radar_measured_sky_noise_h:_FillValue = -9999.f ; float radar_measured_sky_noise_v(time) ; radar_measured_sky_noise_v:long_name = "Measured sky noise, vertical channel" ; radar_measured_sky_noise_v:units = "dBm" ; radar_measured_sky_noise_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 scan_rate(time) ; scan_rate:long_name = "Target scan rate for sweep" ; scan_rate:units = "degree/s" ; scan_rate:_FillValue = -9999.f ; 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 ; 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 ; char time_coverage_end(string_length_22) ; time_coverage_end:long_name = "Data volume end time UTC" ; time_coverage_end:units = "1" ; time_coverage_end:standard_name = "data_value_end_time_utc" ; time_coverage_end:ancillary_variables = "time_coverage_start" ; char time_coverage_start(string_length_22) ; time_coverage_start:long_name = "Data volume start time UTC" ; time_coverage_start:units = "1" ; time_coverage_start:standard_name = "data_volume_start_time_utc" ; 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 altitude_agl ; altitude_agl:long_name = "Altitude above ground level" ; altitude_agl:units = "m" ; altitude_agl:standard_name = "height" ; altitude_agl:_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 = "sacrcfr_ingest -R -n kasacrcfr -s mos -f M1" ; :Conventions = "ARM-1.2 CF/Radial-1.4 instrument_parameters radar_parameters radar_calibration" ; :process_version = "ingest-sacrcfr-1.5-0.el7" ; :dod_version = "kasacrcfrppiv-a1-1.1" ; :input_source = "/data/collection/mos/moskasacrM1.00/Ka_AMF2_SACR_MOMENTS_20200930-150556.dat" ; :site_id = "mos" ; :platform_id = "kasacrcfrppiv" ; :facility_id = "M1" ; :data_level = "a1" ; :location_description = "Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) , Research Vessel PolarStern" ; :datastream = "moskasacrcfrppivM1.a1" ; :antenna_altitude = "24.23 m" ; :antenna_diameter = "1.82 m" ; :asp_chan_1_enabled = 1 ; :asp_chan_2_enabled = 1 ; :chirp_attenuation = " 3.00 dB" ; :clutter_avg_len = "1" ; :clutter_filter_enabled = 0 ; :comment = "Number of samples changes per variable. See Handbook." ; :compression_details = "2-dimensional fields of type short can be uncompressed as follows: multiply compressed values by scale_factor field attribute, then add the add_offset field attribute." ; :double_hop_enabled = 1 ; :fft_len = 64 ; :institution = "Department of Energy Atmospheric Radiation Measurement Program" ; :instrument_name = "KaSACR-1" ; :post_avg_len = 4 ; :processing_mode = 3 ; :processing_mode_description = "1=Pulse-pair moments,H-pol transmit only, 3=FFT moments, H-pol transmit only, 16=Polarimetric pulse-pair moments, 17=Polarimetric FFT moments, 18=Fully polarimetric" ; :radar_version = "SACR-1" ; :references = "See Instrument Handbook" ; :scan_mode = "PPI" ; :site_name = "mosM1" ; :source = "SACR software version: 1.10.115" ; :title = "ARM KaSACR1 Moments" ; :doi = "10.5439/1469302" ; :history = "created by user dsmgr on machine flint at 2021-02-04 22:21:31, using ingest-sacrcfr-1.5-0.el7" ; }