Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	50.493752	460.41872500000034	731.2522750000004	50.225002	50.762502	0.5374999999999943	20250204_215650UTC_V00OS11.WAV
E	3.562496	460.4167749999997	717.7082249999996	3.212496	3.912496	0.7000000000000002	20250204_215650UTC_V00OS11.WAV
V	23.075	487.49772500000006	717.7062750000001	22.8	23.35	0.5499999999999972	20250204_215650UTC_V00OS11.WAV
E	23.068752	460.4167749999997	717.7082249999996	22.775002	23.362502	0.5874999999999986	20250204_215650UTC_V00OS11.WAV