Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	51.918752	257.2895000000002	663.5395000000002	51.575002	52.262502	0.6875	20250219_203850UTC_V00OS11.WAV
E	30.2	338.54177500000003	677.083225	29.8625	30.5375	0.6749999999999972	20250219_203850UTC_V00OS11.WAV