Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	9.6	338.5417749999999	758.3332249999999	9.375	9.825	0.4499999999999993	20250213_053850UTC_V00OS11.WAV
D	9.593752	338.5417749999999	758.3332249999999	9.362502	9.825002	0.4624999999999986	20250213_053850UTC_V00OS11.WAV