Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	28.893752	663.5417750000004	798.9582250000003	27.912504	29.875	1.9624960000000016	20250219_124450UTC_V00OS11.WAV
E	4.168752	257.29177500000003	758.333225	3.825002	4.512502	0.6875	20250219_124450UTC_V00OS11.WAV
U	21.118752	663.5437250000002	812.5022750000003	20.250004	21.9875	1.7374960000000002	20250219_124450UTC_V00OS11.WAV