netcdf magnavgpsM1.a1.20121204.000000 {
dimensions:
	time = UNLIMITED ; // (21155 currently)
variables:
	int base_time ;
		base_time:string = "4-Dec-2012,0:00:00 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 2012-12-04 00:00:00 0:00" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "seconds since 2012-12-04 00:00:00 0:00" ;
	float velocity_north(time) ;
		velocity_north:long_name = "Velocity north, relative to earth" ;
		velocity_north:units = "m/s" ;
		velocity_north:missing_value = -9999.f ;
	float velocity_east(time) ;
		velocity_east:long_name = "Velocity east, relative to earth" ;
		velocity_east:units = "m/s" ;
		velocity_east:missing_value = -9999.f ;
	float speed_over_ground(time) ;
		speed_over_ground:long_name = "Speed over ground" ;
		speed_over_ground:units = "m/s" ;
		speed_over_ground:missing_value = -9999.f ;
	float course_over_ground(time) ;
		course_over_ground:long_name = "Course over ground relative to true north" ;
		course_over_ground:units = "degrees" ;
		course_over_ground:missing_value = -9999.f ;
	float lat(time) ;
		lat:long_name = "North latitude" ;
		lat:units = "degree_N" ;
		lat:valid_min = -90.f ;
		lat:valid_max = 90.f ;
	float lon(time) ;
		lon:long_name = "East longitude" ;
		lon:units = "degree_E" ;
		lon:valid_min = -180.f ;
		lon:valid_max = 180.f ;
	float alt(time) ;
		alt:long_name = "Altitude above mean sea level" ;
		alt:units = "m" ;

// global attributes:
		:command_line = "nav_ingest -s mag -f M1 -d" ;
		:process_version = "ingest-nav-2.2-0" ;
		:dod_version = "navgps-a1-0.1" ;
		:site_id = "mag" ;
		:facility_id = "M1: Horizon Spirit" ;
		:data_level = "a1" ;
		:input_source = "/data/collection/mag/magnavM1.00/seanav12120400.gps" ;
		:serial_number = "Not available" ;
		:sampling_interval = "50 Hz" ;
		:averaging_interval = "None" ;
		:subsampling_interval = "10 Hz" ;
		:alt_data_warning = "Contents of the time-varying alt field may be inaccurate due to imprecise retrievals." ;
		:zeb_platform = "magnavgpsM1.a1" ;
		:history = "created by user dsmgr on machine iron at 13-Dec-2012,19:55:19, using $State: zebra-zeblib-4.23-0.el5 $" ;
}