Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	49.15	392.70627499999966	649.9977249999996	48.4625	49.8375	1.375	20250308_173817UTC_V00OS11.WAV
T	49.125	433.331275	649.997725	48.4125	49.8375	1.4249999999999972	20250308_173817UTC_V00OS11.WAV
T	47.012496	392.7105000000001	555.2105000000001	46.024996	47.999996	1.9749999999999943	20250308_173817UTC_V00OS11.WAV