Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	49.831248	13.541775	189.583225	49.487498	50.174998	0.6875	20250421_053435UTC_V00OS11.WAV
T	31.25	352.08127499999966	487.4977249999996	30.625	31.875	1.25	20250421_053435UTC_V00OS11.WAV