Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	53.35	162.50325000000038	826.0427500000003	53.1375	53.5625	0.4249999999999971	20250210_095650UTC_V00OS11.WAV
D	51.9	162.50000000000034	893.7500000000003	51.7125	52.0875	0.375	20250210_095650UTC_V00OS11.WAV
V	31.356248	514.5832250000003	744.7917750000004	31.187498	31.524998	0.3374999999999986	20250210_095650UTC_V00OS11.WAV
O	31.35	473.9562750000001	731.2477250000001	31.125	31.575000000000003	0.4500000000000028	20250210_095650UTC_V00OS11.WAV