netcdf sgp915rwppreciploI10.b1.20230921.203140 {
dimensions:
	time = UNLIMITED ; // (47 currently)
	gate = 150 ;
variables:
	int base_time ;
		base_time:string = "2023-09-21 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" ;
		base_time:ancillary_variables = "time_offset" ;
	double time_offset(time) ;
		time_offset:long_name = "Time offset from base_time" ;
		time_offset:units = "seconds since 2023-09-21 00:00:00 0:00" ;
		time_offset:ancillary_variables = "base_time" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "seconds since 2023-09-21 00:00:00 0:00" ;
		time:bounds = "time_bounds" ;
		time:standard_name = "time" ;
	float r_calib_radar_constant ;
		r_calib_radar_constant:long_name = "Calibration constant relative to reference of 0 dB" ;
		r_calib_radar_constant:units = "dB" ;
	int num_time_domain_integrations ;
		num_time_domain_integrations:long_name = "Number of integrated time domain samples" ;
		num_time_domain_integrations:units = "1" ;
	int num_frequency_domain_integrations ;
		num_frequency_domain_integrations:long_name = "Number of integrated frequency domain spectra." ;
		num_frequency_domain_integrations:units = "1" ;
	int num_fft_points ;
		num_fft_points:long_name = "Number of FFT points in frequency domain spectra" ;
		num_fft_points:units = "1" ;
	float interpulse_period ;
		interpulse_period:long_name = "Interpulse Period, time between transmitted pulses" ;
		interpulse_period:units = "second" ;
	float operating_frequency_MHz ;
		operating_frequency_MHz:long_name = "Radar operating frequency" ;
		operating_frequency_MHz:units = "MHz" ;
	float nyquist_velocity ;
		nyquist_velocity:long_name = "Unambiguous radial velocity, also known as Nyquist velocity" ;
		nyquist_velocity:units = "m/s" ;
		nyquist_velocity:equation = "nyquist_velocity = ((299.79)/operating_frequency_MHz)/(4*num_time_domain_integrations*interpulse_period)" ;
	float pulse_width ;
		pulse_width:long_name = "Duration of transmitted pulse" ;
		pulse_width:units = "second" ;
	float range_resolution ;
		range_resolution:long_name = "Range resolution" ;
		range_resolution:units = "m" ;
		range_resolution:equation = "If num_code_bits < 1, range_resolution = (3x10^8)*(pulse_width)/2. If num_code_bits >= 1, range_resolution = (3x10^8)*(pulse_width)/(2*num_code_bits)" ;
	int num_code_bits ;
		num_code_bits:long_name = "Number of phase bits in transmitted coded pulse" ;
		num_code_bits:units = "1" ;
		num_code_bits:comment = "Value of zero indicates no pulse phase coding" ;
	float reference_noise_power ;
		reference_noise_power:long_name = "Reference noise power used in calibration" ;
		reference_noise_power:units = "dB" ;
		reference_noise_power:equation = "reference_noise_power = 10log(spectrum_mean_noise_level * num_fft_points)" ;
	float beam_azimuth_angle ;
		beam_azimuth_angle:long_name = "Beam azimuth angle from North" ;
		beam_azimuth_angle:units = "degree" ;
		beam_azimuth_angle:comment = "North = 0, East = 90" ;
	float beam_elevation_angle ;
		beam_elevation_angle:long_name = "Beam elevation angle from horizontal" ;
		beam_elevation_angle:units = "degree" ;
		beam_elevation_angle:comment = "horizontal = 0, vertical = 90" ;
	float range_along_beam(gate) ;
		range_along_beam:long_name = "Range in the radial direction from the radar to center of the range gate" ;
		range_along_beam:units = "m" ;
		range_along_beam:positive = "up" ;
	float height_above_radar(gate) ;
		height_above_radar:long_name = "Height above the radar without regard to horizontal displacement" ;
		height_above_radar:units = "m" ;
		height_above_radar:positive = "up" ;
	float signal_to_noise_ratio(time, gate) ;
		signal_to_noise_ratio:long_name = "Doppler velocity power spectrum signal-to-noise ratio with mean noise adjustment, also known as 0th moment" ;
		signal_to_noise_ratio:units = "dB" ;
		signal_to_noise_ratio:missing_value = -9999.f ;
	float reflectivity_factor(time, gate) ;
		reflectivity_factor:long_name = "Radar reflectivity factor" ;
		reflectivity_factor:units = "dBZ" ;
		reflectivity_factor:missing_value = -9999.f ;
		reflectivity_factor:equation = "reflectivity_factor = signal_to_noise_ratio + 20*log10(range_along_beam) + r_calib_radar_constant" ;
		reflectivity_factor:standard_name = "equivalent_reflectivity_factor" ;
	float radial_velocity(time, gate) ;
		radial_velocity:long_name = "Doppler velocity power spectrum mean radial velocity, also known as 1st moment, positive values approaching the radar" ;
		radial_velocity:units = "m/s" ;
		radial_velocity:missing_value = -9999.f ;
		radial_velocity:positive = "approaching the radar" ;
		radial_velocity:standard_name = "radial_velocity_of_scatterers_toward_instrument" ;
	float spectrum_width(time, gate) ;
		spectrum_width:long_name = "Doppler velocity power spectrum width, defined as 2*sqrt(spectrum variance)" ;
		spectrum_width:units = "m/s" ;
		spectrum_width:missing_value = -9999.f ;
		spectrum_width:positive = "approaching the radar" ;
		spectrum_width:standard_name = "radar_doppler_spectrum_width" ;
	float spectrum_skewness(time, gate) ;
		spectrum_skewness:long_name = "Doppler velocity power spectrum skewness, also known as 3rd moment, positive values approaching the radar" ;
		spectrum_skewness:units = "(m/s)^3" ;
		spectrum_skewness:missing_value = -9999.f ;
		spectrum_skewness:positive = "approaching the radar" ;
	float spectrum_kurtosis(time, gate) ;
		spectrum_kurtosis:long_name = "Doppler velocity power spectrum kurtosis, also known as 4th moment, positive values approaching the radar" ;
		spectrum_kurtosis:units = "(m/s)^4" ;
		spectrum_kurtosis:missing_value = -9999.f ;
		spectrum_kurtosis:positive = "approaching the radar" ;
	float spectrum_mean_noise_level(time, gate) ;
		spectrum_mean_noise_level:long_name = "Doppler velocity power spectrum mean noise level determined from Hildebrand & Sekhon (1974) method" ;
		spectrum_mean_noise_level:units = "dB" ;
		spectrum_mean_noise_level: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 ;
		lat:standard_name = "latitude" ;
	float lon ;
		lon:long_name = "East longitude" ;
		lon:units = "degree_E" ;
		lon:valid_min = -180.f ;
		lon:valid_max = 180.f ;
		lon:standard_name = "longitude" ;
	float alt ;
		alt:long_name = "Altitude above mean sea level" ;
		alt:units = "m" ;
		alt:standard_name = "altitude" ;

// global attributes:
		:command_line = "rwpprecipcal -s sgp -f I10 -D --max-runtime 0 -R" ;
		:Conventions = "ARM-1.3" ;
		:process_version = "rwpprecipcal-1.0.0" ;
		:dod_version = "915rwppreciplo-b1-1.0" ;
		:input_datastreams = "sgp915rwpprecipspecI10.a0 : 11.8 : 20230921.203140" ;
		:site_id = "sgp" ;
		:platform_id = "915rwppreciplo" ;
		:facility_id = "I10" ;
		:data_level = "b1" ;
		:location_description = "Southern Great Plains (SGP), Lamont, Oklahoma" ;
		:datastream = "sgp915rwppreciploI10.b1" ;
		:doi = "10.5439/1988261" ;
		:history = "created by user dsmgr on machine prod-proc4.adc.arm.gov at 2023-12-01 16:30:48, using rwpprecipcal-1.0.0" ;
}