Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	10.506248	352.0812749999999	528.122725	9.7	11.312496	1.6124960000000002	20250421_182235UTC_V00OS11.WAV
O	48.3937504	257.2937249999999	365.627275	48.062500400000005	48.7250004	0.6624999999999943	20250421_182235UTC_V00OS11.WAV
O	44.6	257.2937250000002	406.25227500000017	44.3	44.9	0.5999999999999943	20250421_182235UTC_V00OS11.WAV
C	43.418752	40.62825000000038	744.7927500000003	43.162502	43.675002	0.5125000000000028	20250421_182235UTC_V00OS11.WAV
O	47.593752	338.5437249999999	487.502275	47.187504	48.0	0.8124959999999959	20250421_182235UTC_V00OS11.WAV