Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	44.831248	514.583225	704.166775	44.3	45.362496	1.062495999999996	20250420_170435UTC_V00OS11.WAV
E	44.843752	528.125	690.625	44.3375	45.350004000000006	1.012504000000007	20250420_170435UTC_V00OS11.WAV
U	23.606248	622.9167749999997	758.3332249999996	23.212498	23.999998	0.7875000000000014	20250420_170435UTC_V00OS11.WAV