Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	15.512496	94.79177499999986	595.8332249999999	15.049995999999998	15.974996	0.9250000000000008	20250307_152017UTC_V00OS11.WAV
L	15.543752	40.62272499999966	595.8312749999996	15.125004	15.9625	0.8374960000000016	20250307_152017UTC_V00OS11.WAV