Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	48.2312504	528.1250000000003	731.2500000000003	48.1375004	48.3250004	0.1875	20250201_231450UTC_V00OS11.WAV
D	23.1	270.83225	947.91775	22.9625	23.2375	0.2749999999999986	20250201_231450UTC_V00OS11.WAV
D	12.668752	67.70724999999999	1015.62175	12.512502	12.825002	0.3125	20250201_231450UTC_V00OS11.WAV