Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	48.275	176.0395000000001	826.0395000000001	48.0625	48.4875	0.4249999999999971	20250417_190435UTC_V00OS11.WAV
D	53.193752	40.62825000000032	947.9177500000004	52.937502	53.450002000000005	0.5125000000000028	20250417_190435UTC_V00OS11.WAV
C	44.781248	148.9572500000001	988.54275	44.512498	45.049998	0.5374999999999943	20250417_190435UTC_V00OS11.WAV
C	42.581248	94.78949999999992	988.5395	42.312498000000005	42.849998	0.5374999999999943	20250417_190435UTC_V00OS11.WAV