netcdf sgpsondewndcalcB1.c1.20001008.112900 {
dimensions:
	time = UNLIMITED ; // (2706 currently)
variables:
	int base_time ;
		base_time:string = "8-Oct-2000,11:29:00 GMT" ;
		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 2000-10-08 11:29:00 0:00" ;
	float pres(time) ;
		pres:long_name = "Pressure" ;
		pres:units = "hPa" ;
		pres:valid_max = "1100.0" ;
		pres:valid_min = "0.0" ;
		pres:source = "pres as copied from input platform ptucalc" ;
	float u_wind_flags(time) ;
		u_wind_flags:long_name = "Flags for input u_wind values" ;
		u_wind_flags:units = "unitless" ;
		u_wind_flags:explanation_of_value_1 = "u_wind or v_wind missing due to telemetry noise" ;
		u_wind_flags:explanation_of_value_2 = "sample ignored due to repeating pres (See global ATTRIBUTES)" ;
		u_wind_flags:explanation_of_value_3 = "u_wind smaller than QC min" ;
		u_wind_flags:explanation_of_value_4 = "u_wind greater than QC max" ;
		u_wind_flags:explanation_of_value_5 = "(not used; reserved for QC delta)" ;
		u_wind_flags:explanation_of_value_6 = "u_wind identified as outlier (Grubbs method)" ;
		u_wind_flags:explanation_of_value_9 = "mate v_wind is an outlier or exceeds max/min" ;
		u_wind_flags:explanation_of_value_minus10 = "time samples not present in the original 10-sec wind data" ;
	float u_wind_calc(time) ;
		u_wind_calc:long_name = "W-to-E Component of wind, calculated" ;
		u_wind_calc:units = "m/s" ;
		u_wind_calc:valid_max = "75.0" ;
		u_wind_calc:valid_min = "-75.0" ;
		u_wind_calc:input = "u_wind in the input platform" ;
		u_wind_calc:calc = "(See global attributes.)" ;
	float v_wind_flags(time) ;
		v_wind_flags:long_name = "Flags for input v_wind values" ;
		v_wind_flags:units = "unitless" ;
		v_wind_flags:explanation_of_value_1 = "u_wind or v_wind missing due to telemetry noise" ;
		v_wind_flags:explanation_of_value_2 = "sample ignored due to repeating pres (See global ATTRIBUTES)" ;
		v_wind_flags:explanation_of_value_3 = "v_wind smaller than QC min" ;
		v_wind_flags:explanation_of_value_4 = "v_wind greater than QC max" ;
		v_wind_flags:explanation_of_value_5 = "(not used; reserved for QC delta)" ;
		v_wind_flags:explanation_of_value_6 = "v_wind identified as outlier (Grubbs method)" ;
		v_wind_flags:explanation_of_value_9 = "mate u_wind is an outlier or exceeds max/min" ;
		v_wind_flags:explanation_of_value_minus10 = "time samples not present in the original 10-sec wind data" ;
	float v_wind_calc(time) ;
		v_wind_calc:long_name = "S-to-N Component of Wind, calculated" ;
		v_wind_calc:units = "m/s" ;
		v_wind_calc:valid_max = "75.0" ;
		v_wind_calc:valid_min = "-75.0" ;
		v_wind_calc:input = "u_wind in the input platform" ;
		v_wind_calc:calc = "(See global attributes.)" ;
	float lat(time) ;
		lat:long_name = "north latitude" ;
		lat:units = "degrees" ;
		lat:valid_range = -90.f, 90.f ;
	float lon(time) ;
		lon:long_name = "east longitude" ;
		lon:units = "degrees" ;
		lon:valid_range = -180.f, 180.f ;
	float alt(time) ;
		alt:long_name = "altitude" ;
		alt:units = "meters above Mean Sea Level" ;

// global attributes:
		:Date = "Wed Oct 11 00:18:57 2000" ;
		:Version = "Release_3_4" ;
		:Command_Line = "wresondeB1 -s 20001007.231500 -e 20001008.231500" ;
		:Input_Platforms = "sgpsondewrpnB1.a1" ;
		:BW_Version = "Release_3_3" ;
		:attention_marker = "*************************************************" ;
		:note_on_mobile_locations = "lat & lon have been recalculated by \'wresonde\' from u_wind_calc & v_wind_calc, starting from initial/facility location; they can be quite different from lat & lon in the input platform if the latter contain outliers." ;
		:note_on_alt = "alt has been copied as is from the input platform" ;
		:end_marker = "*******************************************************" ;
		:site_id = "SGP" ;
		:facility_id = "B1" ;
		:sample-int = "pres, 2-sec; u_wind_calc & v_wind_calc, 2-sec interpolated from 10-sec samples" ;
		:missing-data = "-9999.0" ;
		:pressure_data = "Vaisala processed pressure from input platform. (Note: Vaisala processing has removed pressure value reversals but NOT repetitions.)" ;
		:handling_of_repeating_pres = "In a contiguous group of identical pressure values, only one is used for wind processing.  It is the first one with a sample of wind values that are thin mentor QC limits, if there is such a sample in the group." ;
		:processing_algorithms = "are as follows:" ;
		:document = "For details, see document textfile wresonde.doc." ;
		:processing_stage_1 = "Perform preliminary quality checks on the samples, setting wind values to missing-value and u_/v_wind_flags values 1 thru 4, as appropriate." ;
		:processing_stage_2 = "Identify outliers among the remaining wind values and set flags 6 & 9." ;
		:processing_stage_3 = "Replace all wind values flagged, with interpolation by the Hermite method (except those samples with redundant pressure readings, i.e., flags value =2, where wind will remain missing-value)." ;
		:zeb_platform = "sgpsondewndcalcB1.c1" ;
		:history = "created by the Zebra DataStore library, 11-Oct-2000,0:19:00, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.52 $\n",
			"" ;
}