Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	32.7187504	812.5022750000004	988.5437250000004	31.9999984	33.4375024	1.4375040000000006	20250131_165050UTC_V00OS11.WAV
U	31.312496	798.9605	961.4605	30.624996	31.999996	1.375	20250131_165050UTC_V00OS11.WAV
U	31.95	785.4145000000001	1029.1645	31.9	32.0	0.1000000000000014	20250131_165050UTC_V00OS11.WAV
P'	29.806248	81.24999999999986	203.12499999999983	29.299996	30.3125	1.0125039999999998	20250131_165050UTC_V00OS11.WAV
E	44.387496	3101.04275	3764.58225	43.712496	45.062496	1.3499999999999943	20250131_165050UTC_V00OS11.WAV
F	23.731248	0.0	487.4999999999999	23.549998	23.912498	0.3624999999999971	20250131_165050UTC_V00OS11.WAV