Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	42.375	176.0437249999999	446.877275	42.225	42.525	0.2999999999999971	20250306_124417UTC_V00OS11.WAV
O	53.712504	365.6272749999998	541.6687249999998	52.950004	54.475004000000006	1.5250000000000057	20250306_124417UTC_V00OS11.WAV
U	53.693752	365.6272749999998	541.6687249999998	52.95000400000001	54.4375	1.487495999999993	20250306_124417UTC_V00OS11.WAV
T	53.725	392.7082250000002	541.6667750000001	52.95	54.5	1.5499999999999972	20250306_124417UTC_V00OS11.WAV
T	48.6687496	419.7894999999998	541.6644999999999	48.0000016	49.3374976	1.3374960000000016	20250306_124417UTC_V00OS11.WAV