Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	46.843752	717.7105000000004	880.2105000000004	45.687504	48.0	2.312495999999996	20250419_184035UTC_V00OS11.WAV
F	0.1125	0.0022749999997984	501.04372499999977	0.0124999999999999	0.2125	0.2	20250419_184035UTC_V00OS11.WAV