Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	11.793752	3087.50325	3954.16775	11.587502	12.000002	0.4125000000000014	20250202_024450UTC_V00OS11.WAV
C	54.331248	270.8355	1083.3355	54.137498	54.524998	0.3875000000000028	20250202_024450UTC_V00OS11.WAV
E	55.706248	189.58224999999965	988.5427499999996	55.474998	55.937498000000005	0.4625000000000057	20250202_024450UTC_V00OS11.WAV