Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	37.937504	0.0022750000003526	176.04372500000034	37.850004	38.025004	0.1749999999999971	20250411_055835UTC_V00OS11.WAV
D	38.956248	148.96049999999997	1083.3355	38.799998	39.112498	0.3125	20250411_055835UTC_V00OS11.WAV
E	54.025	514.5812750000001	690.6227250000001	53.5125	54.5375	1.0250000000000057	20250411_055835UTC_V00OS11.WAV
D	49.862496	108.3355000000002	758.3355000000001	49.699996	50.024996	0.3250000000000028	20250411_055835UTC_V00OS11.WAV
T	47.281248	487.50227500000005	663.543725	46.625	47.937496	1.312495999999996	20250411_055835UTC_V00OS11.WAV
U	47.287496	501.04372500000034	690.6272750000004	46.637496	47.937496	1.2999999999999972	20250411_055835UTC_V00OS11.WAV
E	47.268752	473.9605	677.0855	46.625	47.912504	1.2875039999999984	20250411_055835UTC_V00OS11.WAV