Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
W	32.0875	0.0	1300.0	32.0	32.175	0.1749999999999971	20250420_195835UTC_V00OS11.WAV
C	17.668752	135.41774999999973	839.5822499999997	17.562502000000002	17.775002	0.2124999999999985	20250420_195835UTC_V00OS11.WAV