Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
K	50.543752	1340.6282499999998	2004.16775	50.0375	51.050004	1.012504000000007	20250215_042650UTC_V00OS11.WAV
A	19.75	54.166775000000285	189.58322500000028	19.4375	20.0625	0.625	20250215_042650UTC_V00OS11.WAV