Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	16.1625	4726.043725	5240.627275	16.0375	16.2875	0.25	20250414_153435UTC_V00OS11.WAV
T	46.493752	406.24772499999983	555.2062749999998	45.6625	47.325004	1.6625039999999984	20250414_153435UTC_V00OS11.WAV
D	48.3812496	40.62175000000019	880.2072500000002	48.1499996	48.6124996	0.4625000000000057	20250414_153435UTC_V00OS11.WAV