Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	7.737504	27.083224999999885	460.4167749999998	7.562504000000001	7.912504	0.3499999999999996	20250416_005235UTC_V00OS11.WAV
D	13.837504	67.70724999999999	947.91775	13.575004	14.100003999999998	0.5249999999999986	20250416_005235UTC_V00OS11.WAV