Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	33.568752	230.21049999999977	677.0854999999998	33.300002000000006	33.837502	0.5374999999999943	20250311_222017UTC_V00OS11.WAV
V	48.993752	4184.375	4671.875	48.762502	49.225002	0.4625000000000057	20250311_222017UTC_V00OS11.WAV
E	53.243752	324.99772499999995	555.2062749999999	52.850002	53.637502	0.7874999999999943	20250311_222017UTC_V00OS11.WAV
V	55.175	1299.9977250000002	1530.206275	55.05	55.3	0.25	20250311_222017UTC_V00OS11.WAV
E	7.068752	148.9562749999998	609.3727249999998	6.712502	7.425002	0.7125000000000004	20250311_222017UTC_V00OS11.WAV