Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	16.1687504	5998.958224999999	6499.999675	16.0250004	16.3125004	0.2875000000000014	20250416_062235UTC_V00OS11.WAV
B	8.931248	0.0	162.49999999999972	8.837498	9.024998	0.1875	20250416_062235UTC_V00OS11.WAV