Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	40.5062504	67.71050000000037	717.7105000000004	40.1375004	40.8750004	0.7374999999999972	20250221_232050UTC_V00OS11.WAV
E	47.156248	121.87272500000012	677.081275	46.837498	47.474998	0.6375000000000028	20250221_232050UTC_V00OS11.WAV
D	50.906248	121.87500000000016	812.5000000000002	50.612498	51.199998	0.5875000000000057	20250221_232050UTC_V00OS11.WAV
E	24.3312504	324.99772499999983	636.4562749999998	24.0250004	24.6375004	0.6124999999999972	20250221_232050UTC_V00OS11.WAV
E	28.137496	297.9187250000001	650.002275	27.812496	28.462496	0.6499999999999986	20250221_232050UTC_V00OS11.WAV