Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	7.718752	13.542750000000296	1245.8322500000004	7.525002000000001	7.912502	0.3874999999999993	20250409_092235UTC_V00OS11.WAV
D	54.956248	230.20724999999987	1069.7927499999998	54.762498	55.149998	0.3875000000000028	20250409_092235UTC_V00OS11.WAV
C	54.943752	257.2927499999999	1042.70725	54.737502000000006	55.150002	0.4124999999999943	20250409_092235UTC_V00OS11.WAV