Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	6.512496	40.62500000000029	203.12500000000028	6.187495999999999	6.837496	0.6500000000000004	20250421_145235UTC_V00OS11.WAV
U	6.287496	2654.166775	2830.208225	5.412496	7.162496	1.75	20250421_145235UTC_V00OS11.WAV