netcdf ncswp_SPOL_20020502_204524.001_u1_s1_0.5_SUR_ {
dimensions:
	Time = UNLIMITED ; // (345 currently)
	maxCells = 1176 ;
	maxCells2 = 11 ;
	numSystems = 2 ;
	fields = 9 ;
	short_string = 16 ;
	long_string = 80 ;
variables:
	int volume_start_time ;
		volume_start_time:long_name = "Unix Date/Time value for volume start time" ;
		volume_start_time:units = "seconds since 1970-01-01 00:00 UTC" ;
	int base_time ;
		base_time:long_name = "Unix Date/Time value for first record" ;
		base_time:units = "seconds since 1970-01-01 00:00 UTC" ;
		base_time:missing_value = 0 ;
		base_time:_FillValue = 0 ;
	char field_names(fields, short_string) ;
	float Fixed_Angle ;
		Fixed_Angle:long_name = "Targeted fixed angle for this scan" ;
		Fixed_Angle:units = "degrees" ;
		Fixed_Angle:missing_value = -32768.f ;
		Fixed_Angle:_FillValue = -32768.f ;
	float Range_to_First_Cell ;
		Range_to_First_Cell:long_name = "Range to the center of the first cell" ;
		Range_to_First_Cell:units = "meters" ;
		Range_to_First_Cell:missing_value = -32768.f ;
		Range_to_First_Cell:_FillValue = -32768.f ;
	float Cell_Spacing ;
		Cell_Spacing:long_name = "Distance between cells" ;
		Cell_Spacing:units = "meters" ;
		Cell_Spacing:missing_value = -32768.f ;
		Cell_Spacing:_FillValue = -32768.f ;
	float Nyquist_Velocity ;
		Nyquist_Velocity:long_name = "Effective unambigous velocity" ;
		Nyquist_Velocity:units = "meters/second" ;
		Nyquist_Velocity:missing_value = -32768.f ;
		Nyquist_Velocity:_FillValue = -32768.f ;
	float Unambiguous_Range ;
		Unambiguous_Range:long_name = "Effective unambigous range" ;
		Unambiguous_Range:units = "meters" ;
		Unambiguous_Range:missing_value = -32768.f ;
		Unambiguous_Range:_FillValue = -32768.f ;
	double Latitude ;
		Latitude:long_name = "Latitude of the instrument" ;
		Latitude:units = "degrees_north" ;
		Latitude:valid_range = -90.f, 90.f ;
		Latitude:missing_value = -32768. ;
		Latitude:_FillValue = -32768. ;
	double Longitude ;
		Longitude:long_name = "Longitude of the instrument" ;
		Longitude:units = "degrees_east" ;
		Longitude:valid_range = -360.f, 360.f ;
		Longitude:missing_value = -32768. ;
		Longitude:_FillValue = -32768. ;
	double Altitude ;
		Altitude:long_name = "Altitude in meters (asl) of the instrument" ;
		Altitude:units = "meters" ;
		Altitude:valid_range = -10000., 90000. ;
		Altitude:missing_value = -32768. ;
		Altitude:_FillValue = -32768. ;
	float Radar_Constant(numSystems) ;
		Radar_Constant:long_name = "Radar constant" ;
		Radar_Constant:units = "???" ;
		Radar_Constant:missing_value = -32768.f ;
		Radar_Constant:_FillValue = -32768.f ;
	float rcvr_gain(numSystems) ;
		rcvr_gain:long_name = "Receiver Gain" ;
		rcvr_gain:Comment = "Most entries are 2 dimension arrays one for each polarity" ;
		rcvr_gain:units = "db" ;
		rcvr_gain:missing_value = -32768.f ;
		rcvr_gain:_FillValue = -32768.f ;
	float ant_gain(numSystems) ;
		ant_gain:long_name = "Antenna Gain" ;
		ant_gain:units = "db" ;
		ant_gain:missing_value = -32768.f ;
		ant_gain:_FillValue = -32768.f ;
	float sys_gain(numSystems) ;
		sys_gain:long_name = "System Gain" ;
		sys_gain:units = "db" ;
		sys_gain:missing_value = -32768.f ;
		sys_gain:_FillValue = -32768.f ;
	float bm_width(numSystems) ;
		bm_width:long_name = "Beam Width" ;
		bm_width:units = "degrees" ;
		bm_width:missing_value = -32768.f ;
		bm_width:_FillValue = -32768.f ;
	float pulse_width(numSystems) ;
		pulse_width:long_name = "Pulse Width" ;
		pulse_width:units = "seconds" ;
		pulse_width:missing_value = -32768.f ;
		pulse_width:_FillValue = -32768.f ;
	float band_width(numSystems) ;
		band_width:long_name = "Band Width" ;
		band_width:units = "hertz" ;
		band_width:missing_value = -32768.f ;
		band_width:_FillValue = -32768.f ;
	float peak_pwr(numSystems) ;
		peak_pwr:long_name = "Peak Power" ;
		peak_pwr:units = "watts" ;
		peak_pwr:missing_value = -32768.f ;
		peak_pwr:_FillValue = -32768.f ;
	float xmtr_pwr(numSystems) ;
		xmtr_pwr:long_name = "Transmitter Power" ;
		xmtr_pwr:units = "dBm" ;
		xmtr_pwr:missing_value = -32768.f ;
		xmtr_pwr:_FillValue = -32768.f ;
	float noise_pwr(numSystems) ;
		noise_pwr:long_name = "Noise Power" ;
		noise_pwr:units = "dBm" ;
		noise_pwr:missing_value = -32768.f ;
		noise_pwr:_FillValue = -32768.f ;
	float tst_pls_pwr(numSystems) ;
		tst_pls_pwr:long_name = "Test Pulse Power" ;
		tst_pls_pwr:units = "dBm" ;
		tst_pls_pwr:missing_value = -32768.f ;
		tst_pls_pwr:_FillValue = -32768.f ;
	float tst_pls_rng0(numSystems) ;
		tst_pls_rng0:long_name = "Range to start of test pulse" ;
		tst_pls_rng0:units = "meters" ;
		tst_pls_rng0:missing_value = -32768.f ;
		tst_pls_rng0:_FillValue = -32768.f ;
	float tst_pls_rng1(numSystems) ;
		tst_pls_rng1:long_name = "Range to end of test pulse" ;
		tst_pls_rng1:units = "meters" ;
		tst_pls_rng1:missing_value = -32768.f ;
		tst_pls_rng1:_FillValue = -32768.f ;
	float Wavelength(numSystems) ;
		Wavelength:long_name = "System wavelength" ;
		Wavelength:units = "meters" ;
		Wavelength:missing_value = -32768.f ;
		Wavelength:_FillValue = -32768.f ;
	float PRF(numSystems) ;
		PRF:long_name = "System pulse repetition frequence" ;
		PRF:units = "pulses/sec" ;
		PRF:missing_value = -32768.f ;
		PRF:_FillValue = -32768.f ;
	double time_offset(Time) ;
		time_offset:long_name = "time offset of the current record from base_time" ;
		time_offset:units = "seconds" ;
		time_offset:missing = 0. ;
		time_offset:_FillValue = 0. ;
	float Azimuth(Time) ;
		Azimuth:long_name = "Earth relative azimuth of the ray" ;
		Azimuth:Comment = "Degrees clockwise from true North" ;
		Azimuth:units = "degrees" ;
		Azimuth:valid_range = -360.f, 360.f ;
		Azimuth:missing_value = -32768.f ;
		Azimuth:_FillValue = -32768.f ;
	float Elevation(Time) ;
		Elevation:long_name = "Earth relative elevation of the ray" ;
		Elevation:Comment = "Degrees from earth tangent towards zenith" ;
		Elevation:units = "degrees" ;
		Elevation:valid_range = -360.f, 360.f ;
		Elevation:missing_value = -32768.f ;
		Elevation:_FillValue = -32768.f ;
	float clip_range(Time) ;
		clip_range:long_name = "Range of last usefull cell" ;
		clip_range:units = "meters" ;
		clip_range:missing_value = -32768.f ;
		clip_range:_FillValue = -32768.f ;
	short DZ(Time, maxCells) ;
		DZ:long_name = "Horizontal copolar reflectivity (HH)" ;
		DZ:variable_type = "data" ;
		DZ:units = "dBz" ;
		DZ:scale_factor = 0.01f ;
		DZ:add_offset = 0.f ;
		DZ:missing_value = -32768s ;
		DZ:_FillValue = -32768s ;
		DZ:polarization = "Horizontal" ;
		DZ:Frequencies_GHz = 2.80900001525879 ;
		DZ:InterPulsePeriods_secs = 0.00119050002098084 ;
		DZ:num_segments = 1 ;
		DZ:cells_in_segment = 1176 ;
		DZ:meters_to_first_cell = 150.f ;
		DZ:meters_between_cells = 149.8962f ;
	short VE(Time, maxCells) ;
		VE:long_name = "Doppler radial velocity" ;
		VE:variable_type = "data" ;
		VE:units = "meters/second" ;
		VE:scale_factor = 0.01f ;
		VE:add_offset = 0.f ;
		VE:missing_value = -32768s ;
		VE:_FillValue = -32768s ;
		VE:polarization = "Horizontal" ;
		VE:Frequencies_GHz = 2.80900001525879 ;
		VE:InterPulsePeriods_secs = 0.00119050002098084 ;
		VE:num_segments = 1 ;
		VE:cells_in_segment = 1176 ;
		VE:meters_to_first_cell = 150.f ;
		VE:meters_between_cells = 149.8962f ;
	short NC(Time, maxCells) ;
		NC:long_name = "Normalized Coherent Power (H)" ;
		NC:variable_type = "data" ;
		NC:units = "" ;
		NC:scale_factor = 0.01f ;
		NC:add_offset = 0.f ;
		NC:missing_value = -32768s ;
		NC:_FillValue = -32768s ;
		NC:polarization = "Horizontal" ;
		NC:Frequencies_GHz = 2.80900001525879 ;
		NC:InterPulsePeriods_secs = 0.00119050002098084 ;
		NC:num_segments = 1 ;
		NC:cells_in_segment = 1176 ;
		NC:meters_to_first_cell = 150.f ;
		NC:meters_between_cells = 149.8962f ;
	short ZD(Time, maxCells) ;
		ZD:long_name = "Differential reflectivity, HH - VV" ;
		ZD:variable_type = "data" ;
		ZD:units = "dBm" ;
		ZD:scale_factor = 0.01f ;
		ZD:add_offset = 0.f ;
		ZD:missing_value = -32768s ;
		ZD:_FillValue = -32768s ;
		ZD:polarization = "Horizontal and Vertical" ;
		ZD:Frequencies_GHz = 2.80900001525879 ;
		ZD:InterPulsePeriods_secs = 0.00119050002098084 ;
		ZD:num_segments = 1 ;
		ZD:cells_in_segment = 1176 ;
		ZD:meters_to_first_cell = 150.f ;
		ZD:meters_between_cells = 149.8962f ;
	short LD(Time, maxCells) ;
		LD:long_name = "Lin. depolarization ratio (H tx, V rec)" ;
		LD:variable_type = "data" ;
		LD:units = "dBm" ;
		LD:scale_factor = 0.01f ;
		LD:add_offset = 0.f ;
		LD:missing_value = -32768s ;
		LD:_FillValue = -32768s ;
		LD:polarization = "Horizontal and Vertical" ;
		LD:Frequencies_GHz = 2.80900001525879 ;
		LD:InterPulsePeriods_secs = 0.00119050002098084 ;
		LD:num_segments = 1 ;
		LD:cells_in_segment = 1176 ;
		LD:meters_to_first_cell = 150.f ;
		LD:meters_between_cells = 149.8962f ;
	short PH(Time, maxCells) ;
		PH:long_name = "Diff. propagation phase btwn HH and VV" ;
		PH:variable_type = "data" ;
		PH:units = "deg." ;
		PH:scale_factor = 0.01f ;
		PH:add_offset = 0.f ;
		PH:missing_value = -32768s ;
		PH:_FillValue = -32768s ;
		PH:polarization = "Horizontal and Vertical" ;
		PH:Frequencies_GHz = 2.80900001525879 ;
		PH:InterPulsePeriods_secs = 0.00119050002098084 ;
		PH:num_segments = 1 ;
		PH:cells_in_segment = 1176 ;
		PH:meters_to_first_cell = 150.f ;
		PH:meters_between_cells = 149.8962f ;
	short RH(Time, maxCells) ;
		RH:long_name = "Corr. coefficient between HH and VV" ;
		RH:variable_type = "data" ;
		RH:units = "" ;
		RH:scale_factor = 0.001f ;
		RH:add_offset = 0.f ;
		RH:missing_value = -32768s ;
		RH:_FillValue = -32768s ;
		RH:polarization = "Horizontal and Vertical" ;
		RH:Frequencies_GHz = 2.80900001525879 ;
		RH:InterPulsePeriods_secs = 0.00119050002098084 ;
		RH:num_segments = 1 ;
		RH:cells_in_segment = 1176 ;
		RH:meters_to_first_cell = 150.f ;
		RH:meters_between_cells = 149.8962f ;
	short DM(Time, maxCells) ;
		DM:long_name = "Horizontal copolar received power (HH)" ;
		DM:variable_type = "data" ;
		DM:units = "dBm" ;
		DM:scale_factor = 0.01f ;
		DM:add_offset = 0.f ;
		DM:missing_value = -32768s ;
		DM:_FillValue = -32768s ;
		DM:polarization = "Horizontal" ;
		DM:Frequencies_GHz = 2.80900001525879 ;
		DM:InterPulsePeriods_secs = 0.00119050002098084 ;
		DM:num_segments = 1 ;
		DM:cells_in_segment = 1176 ;
		DM:meters_to_first_cell = 150.f ;
		DM:meters_between_cells = 149.8962f ;
	short DX(Time, maxCells) ;
		DX:long_name = "Cross-polar (H tx, V rec) received powe" ;
		DX:variable_type = "data" ;
		DX:units = "dBm" ;
		DX:scale_factor = 0.01f ;
		DX:add_offset = 0.f ;
		DX:missing_value = -32768s ;
		DX:_FillValue = -32768s ;
		DX:polarization = "Horizontal and Vertical" ;
		DX:Frequencies_GHz = 2.80900001525879 ;
		DX:InterPulsePeriods_secs = 0.00119050002098084 ;
		DX:num_segments = 1 ;
		DX:cells_in_segment = 1176 ;
		DX:meters_to_first_cell = 150.f ;
		DX:meters_between_cells = 149.8962f ;

// global attributes:
		:Content = "This file contains one scan of remotely sensed data" ;
		:Conventions = "NCAR_ATD-NOAA_ETL/Scanning_Remote_Sensor" ;
		:Instrument_Name = "SPOL" ;
		:Instrument_Type = "GROUND" ;
		:Scan_Mode = "SUR" ;
		:Volume_Start_Time = "20020502 204524" ;
		:Start_Time = "05/02/2002 20:45:24.001" ;
		:Year = 2002 ;
		:Month = 5 ;
		:Day = 2 ;
		:Hour = 20 ;
		:Minute = 45 ;
		:Second = 24 ;
		:Volume_Number = 1 ;
		:Scan_Number = 1 ;
		:Num_Samples = 128 ;
		:Index_of_horizontal_information = 0 ;
		:Index_of_vertical_information = 1 ;
		:Project_Name = "IMPROV01" ;
		:Production_Date = "Tue Aug 27 08:21:24 2002" ;
		:Producer_Name = "NSF/UCAR/NCAR/ATD" ;
		:Software = "xltrs" ;
		:Range_Segments = "Certain radars have variable cell spacings\n",
    "defined in segments of constant cell spacing" ;
}