Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	47.312496	311.4605000000004	473.9605000000004	47.012496000000006	47.612496	0.5999999999999943	20250423_043435UTC_V00OS11.WAV
O	17.881248	297.91872500000034	487.5022750000004	17.374996	18.3875	1.0125039999999998	20250423_043435UTC_V00OS11.WAV
O	31.15	325.0	487.5	30.8	31.5	0.7000000000000028	20250423_043435UTC_V00OS11.WAV
E	31.15	324.99772500000006	473.9562750000001	30.8125	31.4875	0.6749999999999972	20250423_043435UTC_V00OS11.WAV