netcdf asikazrgeM1.a1.20171101.000001 { dimensions: time = UNLIMITED ; // (20834 currently) range = 600 ; variables: int base_time ; base_time:string = "2017-11-01 00:00:00 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 2017-11-01 00:00:00 0:00" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2017-11-01 00:00:00 0:00" ; float range(range) ; range:long_name = "Range (center of radar sample volume)" ; range:units = "m" ; range:missing_value = -9999.f ; float reflectivity_copol(time, range) ; reflectivity_copol:long_name = "Reflectivity, copolar" ; reflectivity_copol:units = "dBZ" ; reflectivity_copol:missing_value = -9999.f ; float mean_doppler_velocity_copol(time, range) ; mean_doppler_velocity_copol:long_name = "Mean doppler velocity, copolar" ; mean_doppler_velocity_copol:units = "m/s" ; mean_doppler_velocity_copol:resolution = 0.001f ; mean_doppler_velocity_copol:missing_value = -9999.f ; mean_doppler_velocity_copol:positive_velocities = "Positive values indicate motion away from the radar." ; mean_doppler_velocity_copol:negative_velocities = "Negative values indicate motion toward the radar." ; float spectral_width_copol(time, range) ; spectral_width_copol:long_name = "Spectral width, copolar" ; spectral_width_copol:units = "m/s" ; spectral_width_copol:resolution = 0.001f ; spectral_width_copol:missing_value = -9999.f ; float signal_to_noise_ratio_copol(time, range) ; signal_to_noise_ratio_copol:long_name = "Signal to noise ratio, copolar" ; signal_to_noise_ratio_copol:units = "dB" ; signal_to_noise_ratio_copol:resolution = 0.001f ; signal_to_noise_ratio_copol:missing_value = -9999.f ; float cal_constant_copol(time) ; cal_constant_copol:long_name = "Radar calibration constant, copolar" ; cal_constant_copol:units = "dB" ; cal_constant_copol:missing_value = -9999.f ; cal_constant_copol:comment = "Values are updated on an approximately hourly basis, as new raw data files are collected." ; float rx_noise(time) ; rx_noise:long_name = "Receiver noise" ; rx_noise:units = "dBm" ; rx_noise:missing_value = -9999.f ; rx_noise:comment = "Values are updated on an approximately hourly basis, as new raw data files are collected." ; 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 cold_noise_copol(time) ; cold_noise_copol:long_name = "Cold noise, copolar" ; cold_noise_copol:units = "dBm" ; cold_noise_copol:missing_value = -9999.f ; float hot_noise_copol(time) ; hot_noise_copol:long_name = "Hot noise, copolar" ; hot_noise_copol:units = "dBm" ; hot_noise_copol:missing_value = -9999.f ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; // global attributes: :command_line = "kazr_ingest -s asi -f M1 -R" ; :process_version = "ingest-kazr-2.8-0.el6" ; :dod_version = "kazrge-a1-1.7" ; :site_id = "asi" ; :facility_id = "M1: Ascension Island" ; :data_level = "a1" ; :input_source = "/data/collection/asi/asikazrM1.00/KAZR_MOMENTS_20171101-000003.dat" ; :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations. Using fewer digits might result in greater uncertainty. Using a larger number of digits should have no effect and thus is unnecessary. However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.\n", "\n", "resolution for lat = 0.001\n", "resolution for lon = 0.001\n", "resolution for alt = 1" ; :sampling_interval = "variable" ; :averaging_interval = "None" ; :serial_number = "not provided" ; :comment = "DOE/ARM KAZR Ka-band radar" ; :comment_on_time = "The time stamp comes at the beginning and end of the sample period. Sample period is made up of data collection and processing time." ; :antenna_diameter = "1.81 m" ; :antenna_altitude = "3.66 m" ; :attenuation_short_pulse = "4.000000 dB" ; :clutter_filter_len = "0" ; :fft_len = "512" ; :kazr_software_version = "1.7.6 (Wed Mar 23 17:10:35 UTC 2016 leachman" ; :num_spectral_averages = "15" ; :nyquist_velocity = "7.968252 m/s" ; :processing_mode = "2" ; :pulse_repetition_frequency = "3703.02 Hz" ; :pulse_width_short_pulse = "300 ns" ; :radar_constant_offset_flag = "0" ; :radar_constant_offset = "0.000000 dB" ; :radar_operating_frequency = "34.830000 GHz" ; :range_gate_spacing = "29.979246 m" ; :datastream = "asikazrgeM1.a1" ; :history = "created by user dsmgr on machine ruby at 2018-03-15 04:31:10, using ingest-kazr-2.8-0.el6" ; }