Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	47.331248	311.458225	501.041775	46.6625	47.999996	1.3374960000000016	20250201_100850UTC_V00OS11.WAV
T	47.337504	324.9977249999996	514.5812749999997	46.675004	48.000004	1.3250000000000028	20250201_100850UTC_V00OS11.WAV
B	7.75	0.0022750000000684	135.41872500000005	7.65	7.85	0.1999999999999993	20250201_100850UTC_V00OS11.WAV
T	48.4625	365.62499999999983	528.1249999999998	48.0	48.925	0.9249999999999972	20250201_100850UTC_V00OS11.WAV