Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	46.962504	622.9145000000001	785.4145000000001	46.262504	47.662504000000006	1.4000000000000057	20250419_141035UTC_V00OS11.WAV
I	48.1375	6039.583225	6499.999675000001	48.0125	48.2625	0.25	20250419_141035UTC_V00OS11.WAV