Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	29.525	121.8717500000002	798.9572500000002	29.35	29.7	0.3500000000000014	20250218_062650UTC_V00OS11.WAV
O	53.3	54.16677500000013	270.83322500000014	53.0125	53.5875	0.5750000000000028	20250218_062650UTC_V00OS11.WAV
O	49.825	27.083224999999857	257.29177499999986	49.45	50.2	0.75	20250218_062650UTC_V00OS11.WAV