Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	46.681248	284.375	528.125	46.15	47.212496	1.062495999999996	20250414_162835UTC_V00OS11.WAV
E	46.662496	311.4562749999996	528.1227249999996	46.099996	47.224996	1.125	20250414_162835UTC_V00OS11.WAV