Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	45.768752	81.24999999999994	1015.6249999999998	45.587502	45.950002	0.3624999999999971	20250217_195050UTC_V00OS11.WAV
O	3.712504	67.71050000000005	270.8355	3.387504	4.037504	0.6500000000000004	20250217_195050UTC_V00OS11.WAV
F	8.4812496	135.41774999999973	839.5822499999997	8.3249996	8.6374996	0.3125	20250217_195050UTC_V00OS11.WAV
O	36.4	94.7894999999998	257.2894999999998	36.125	36.675	0.5499999999999972	20250217_195050UTC_V00OS11.WAV