Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
M	46.318752	27.083224999999715	135.41677499999972	45.925002000000006	46.712502	0.7874999999999943	20250304_151417UTC_V00OS11.WAV
M	45.162496	40.62272500000009	148.9562750000001	44.874996	45.449996	0.5750000000000028	20250304_151417UTC_V00OS11.WAV