Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	16.5187504	826.0437250000003	975.0022750000004	16.0124984	17.025002399999998	1.0125039999999998	20250204_134450UTC_V00OS11.WAV
U	9.343752	690.6250000000001	853.1250000000001	8.162504	10.525	2.362496	20250204_134450UTC_V00OS11.WAV