Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	45.5	176.04275	975.00325	45.2875	45.7125	0.4249999999999971	20250411_045835UTC_V00OS11.WAV
D	45.481248	108.33225000000016	1015.6217500000002	45.274998	45.687498	0.4124999999999943	20250411_045835UTC_V00OS11.WAV
E	45.743752	284.3749999999999	812.4999999999999	45.275	46.212504	0.937504000000004	20250411_045835UTC_V00OS11.WAV
T	53.437504	311.4562750000001	487.49772500000006	52.550004	54.325004	1.7750000000000057	20250411_045835UTC_V00OS11.WAV