Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	2.106248	54.1677499999999	1042.70725	1.887498	2.324998	0.4375	20250218_041450UTC_V00OS11.WAV
C	0.5	27.08549999999991	1002.0855	0.275	0.725	0.4499999999999999	20250218_041450UTC_V00OS11.WAV