Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	2.531248	0.0022750000003526	176.04372500000034	2.4499980000000003	2.612498	0.1624999999999996	20250202_184450UTC_V00OS11.WAV
M	6.237504	40.62272500000009	148.9562750000001	5.787504	6.687504000000001	0.9000000000000004	20250202_184450UTC_V00OS11.WAV
M	44.0	67.70627499999965	162.49772499999966	43.575	44.425	0.8499999999999943	20250202_184450UTC_V00OS11.WAV