Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	51.875	311.4605000000004	473.9605000000004	51.05	52.7	1.6500000000000057	20250217_223250UTC_V00OS11.WAV
T	51.868752	325.00227499999994	501.0437249999999	51.062504	52.675	1.612495999999993	20250217_223250UTC_V00OS11.WAV
C	29.65	135.41450000000015	582.2895000000002	29.5625	29.7375	0.1749999999999971	20250217_223250UTC_V00OS11.WAV
O	39.493752	325.00227499999994	501.0437249999999	39.0625	39.925004	0.8625040000000013	20250217_223250UTC_V00OS11.WAV
U	46.962504	690.627275	866.668725	45.925004	48.000004	2.075000000000003	20250217_223250UTC_V00OS11.WAV