Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	50.912496	4211.460499999999	4902.085499999999	50.674996	51.149996	0.4749999999999943	20250204_194450UTC_V00OS11.WAV
V	13.35	1205.2105000000004	1611.4605000000004	13.075	13.625	0.5500000000000007	20250204_194450UTC_V00OS11.WAV