Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	0.15	13.542749999999842	1083.33225	0.0124999999999999	0.2875	0.275	20250220_121450UTC_V00OS11.WAV
O	1.012504	257.29372499999977	446.8772749999998	0.7000040000000001	1.325004	0.625	20250220_121450UTC_V00OS11.WAV
D	19.168752	135.41677499999986	758.3332249999999	19.000002	19.337502	0.3374999999999986	20250220_121450UTC_V00OS11.WAV