Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	4.081248	121.87272499999966	311.45627499999966	3.987498	4.174998	0.1875	20250307_023217UTC_V00OS11.WAV
V	2.743752	1299.997725	1489.5812749999998	2.637502	2.8500020000000004	0.2125000000000003	20250307_023217UTC_V00OS11.WAV