Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	48.6562496	473.96050000000025	595.8355000000003	48.0000016	49.3124976	1.312495999999996	20250202_072050UTC_V00OS11.WAV
O	42.643752	433.33127499999966	609.3727249999996	42.0625	43.225004	1.1625039999999984	20250202_072050UTC_V00OS11.WAV
T	42.643752	460.4187250000002	609.3772750000003	42.087504	43.2	1.112495999999993	20250202_072050UTC_V00OS11.WAV