Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	24.8	677.0832250000003	785.4167750000004	24.0	25.6	1.6000000000000014	20250209_164450UTC_V00OS11.WAV
U	31.587504	677.0855000000003	798.9605000000003	31.175004	32.000004	0.8249999999999993	20250209_164450UTC_V00OS11.WAV
U	7.156248	663.5437250000002	812.5022750000003	6.312495999999999	8.0	1.6875040000000006	20250209_164450UTC_V00OS11.WAV
U	16.6875	677.0832250000003	785.4167750000004	16.0	17.375	1.375	20250209_164450UTC_V00OS11.WAV