Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	11.043752	0.0	162.49999999999972	10.962502	11.125002	0.1625000000000014	20250312_133817UTC_V00OS11.WAV
B	38.937504	0.0	162.49999999999972	38.850004	39.025004	0.1749999999999971	20250312_133817UTC_V00OS11.WAV
B	39.431248	0.0022750000000684	135.41872500000005	39.349998	39.512498	0.1624999999999943	20250312_133817UTC_V00OS11.WAV
B	39.95	0.0	189.5812750000001	39.900000000000006	40.0	0.0999999999999943	20250312_133817UTC_V00OS11.WAV