Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	32.1375	0.0	473.956275	32.0375	32.237500000000004	0.2000000000000028	20250416_042235UTC_V00OS11.WAV
D	29.925	0.0032500000001505	866.6677500000003	29.675	30.175	0.5	20250416_042235UTC_V00OS11.WAV