Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	50.981248	40.62825000000032	947.9177500000004	50.812498	51.149998	0.3375000000000057	20250412_034035UTC_V00OS11.WAV
F	46.525	121.87727500000037	460.41872500000034	46.3125	46.7375	0.4249999999999971	20250412_034035UTC_V00OS11.WAV