Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	10.275	5470.8355	5633.3355	9.5	11.05	1.5500000000000007	20250421_211035UTC_V00OS11.WAV
A	19.631248	4847.9145	5010.4145	19.299998	19.962498	0.6625000000000014	20250421_211035UTC_V00OS11.WAV