Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	48.5375	94.79177500000014	230.2082250000001	48.0875	48.9875	0.9000000000000057	20250420_020435UTC_V00OS11.WAV
U	16.4875	826.0437250000003	975.0022750000004	16.0	16.975	0.9750000000000014	20250420_020435UTC_V00OS11.WAV
O	44.031248	54.166775000000285	189.58322500000028	43.687498	44.374998	0.6875	20250420_020435UTC_V00OS11.WAV
T	47.45	176.03949999999995	297.9145	46.900000000000006	48.0	1.0999999999999943	20250420_020435UTC_V00OS11.WAV