Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	7.818752	460.418725	690.627275	7.675002	7.962502	0.2874999999999996	20250209_003250UTC_V00OS11.WAV
O	48.2562496	176.03949999999995	297.9145	48.0124996	48.4999996	0.4874999999999971	20250209_003250UTC_V00OS11.WAV