Event label	Optional label	Method/Device	Abbreviation	O2A Registry URI	Date/Time	Latitude	Longitude	Elevation	Date/Time end	Latitude end	Longitude end	Elevation end	Comment
PS53/4-track		Underway cruise track measurements	CT		1999-05-11T12:00:00	-33.91186	18.43460		1999-06-03T12:00:00	53.56396	8.54813		
PS53/18427		Radiosonde	RADIO		1999-05-12T09:55:00	-32.70000	14.63000						
PS53/18428		Radiosonde	RADIO		1999-05-13T09:58:00	-31.10000	8.91000						
PS53/18429		Radiosonde	RADIO		1999-05-14T09:50:00	-30.00000	4.99000						
PS53/18430		Radiosonde	RADIO		1999-05-15T09:42:00	-25.67000	0.66000						
PS53/18431		Radiosonde	RADIO		1999-05-16T10:13:00	-21.04000	-3.82000						
PS53/18432		Radiosonde	RADIO		1999-05-17T09:40:00	-16.61000	-8.01000						
PS53/18433		Radiosonde	RADIO		1999-05-18T09:42:00	-12.03000	-12.24000						
PS53/18434		Radiosonde	RADIO		1999-05-19T09:39:00	-7.71000	-15.04000						
PS53/18435		Radiosonde	RADIO		1999-05-20T09:48:00	-2.92000	-17.04000						
PS53/18436		Radiosonde	RADIO		1999-05-21T10:02:00	1.92000	-19.06000						
PS53/18437		Radiosonde	RADIO		1999-05-22T09:44:00	6.39000	-20.96000						
PS53/18438		Radiosonde	RADIO		1999-05-23T09:40:00	11.04000	-22.99000						
PS53/18439		Radiosonde	RADIO		1999-05-24T09:35:00	15.63000	-24.00000						
PS53/18440		Radiosonde	RADIO		1999-05-25T09:40:00	19.62000	-21.64000						
PS53/18441		Radiosonde	RADIO		1999-05-26T09:40:00	22.92000	-19.15000						
PS53/18442		Radiosonde	RADIO		1999-05-27T09:36:00	25.78000	-16.93000						
PS53/18443		Radiosonde	RADIO		1999-05-29T09:56:00	33.72000	-13.60000						
PS53/18444		Radiosonde	RADIO		1999-05-30T09:41:00	39.35000	-11.69000						
PS53/18445		Radiosonde	RADIO		1999-05-31T09:40:00	44.79000	-9.20000						
ANT-XVI/4_9832		Sea ice buoy	BUOY_SI		1999-05-31T12:00:00	-73.76830	-58.65530		1999-06-30T23:22:00	-73.29700	-59.30400		
PS53/18446		Radiosonde	RADIO		1999-06-01T09:45:00	49.42000	-3.62000						
PS53/18447		Radiosonde	RADIO		1999-06-02T09:39:00	51.94000	2.84000