Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	40.325	257.2894999999999	419.7894999999999	40.025000000000006	40.625	0.5999999999999943	20250221_190250UTC_V00OS11.WAV
A	44.075	54.16450000000009	541.6645000000001	43.85	44.3	0.4500000000000028	20250221_190250UTC_V00OS11.WAV