Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	13.181248	216.6645	866.6645	12.962498	13.399998	0.4375	20250420_104635UTC_V00OS11.WAV
F	7.731248	0.0	514.5812750000002	7.537498	7.924997999999999	0.3874999999999993	20250420_104635UTC_V00OS11.WAV