Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	3.287496	4116.6677500000005	4875.00325	3.099996	3.474996	0.375	20250410_101035UTC_V00OS11.WAV
B	44.237504	13.53950000000009	176.0395000000001	44.150004	44.325004	0.1749999999999971	20250410_101035UTC_V00OS11.WAV