Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	16.2	636.458225	785.416775	16.05	16.349999999999998	0.2999999999999971	20250209_160850UTC_V00OS11.WAV
U	14.743752	663.5417750000004	798.9582250000003	13.500004	15.9875	2.487496	20250209_160850UTC_V00OS11.WAV
U	33.05	663.5437250000002	812.5022750000003	32.224999999999994	33.875	1.6500000000000057	20250209_160850UTC_V00OS11.WAV