Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	51.875	297.91677500000003	717.708225	51.625	52.125	0.5	20250221_105050UTC_V00OS11.WAV
E	33.2	270.8355000000001	677.0855000000001	32.862500000000004	33.5375	0.6749999999999972	20250221_105050UTC_V00OS11.WAV