Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	36.868752	94.79275000000008	853.1282500000001	36.750002	36.987502	0.2374999999999971	20250306_152017UTC_V00OS11.WAV
B	16.2687504	135.4145000000001	460.4145000000001	16.125000399999998	16.4125004	0.2875000000000014	20250306_152017UTC_V00OS11.WAV
D	20.206248	162.49999999999972	812.4999999999998	20.062498	20.349998000000003	0.2875000000000014	20250306_152017UTC_V00OS11.WAV