Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	54.7	352.08127499999966	487.4977249999996	53.9875	55.4125	1.4249999999999972	20250423_165835UTC_V00OS11.WAV
C	16.831248	243.75325000000032	1151.0427500000003	16.674998	16.987498	0.3125	20250423_165835UTC_V00OS11.WAV