Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	44.743752	853.1250000000003	1015.6250000000005	44.25	45.237504	0.9875040000000012	20250131_170250UTC_V00OS11.WAV
O	55.237504	257.28949999999963	379.1644999999996	54.625004	55.850004	1.2249999999999943	20250131_170250UTC_V00OS11.WAV
T	49.018752	419.7895000000001	582.2895000000001	48.487504	49.55	1.062495999999996	20250131_170250UTC_V00OS11.WAV
T	30.625	392.7082249999997	582.2917749999997	29.8625	31.3875	1.5249999999999986	20250131_170250UTC_V00OS11.WAV