Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	18.743752	13.541774999999715	148.95822499999971	18.412502	19.075002	0.6625000000000014	20250419_194035UTC_V00OS11.WAV
A	39.937504	27.083225000000283	216.66677500000029	39.875004	40.000004	0.125	20250419_194035UTC_V00OS11.WAV