Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	22.337504	0.0022750000003526	176.04372500000034	22.250004	22.425004	0.1749999999999971	20250408_094035UTC_V00OS11.WAV
U	51.275	4753.127275	4888.543725	50.7	51.85	1.1500000000000057	20250408_094035UTC_V00OS11.WAV