Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	14.762496	460.4145000000001	744.7895000000001	14.437496	15.087495999999998	0.6499999999999986	20250421_150435UTC_V00OS11.WAV
W	17.962496	758.3355000000001	3480.2105	17.699996000000002	18.224996	0.5249999999999986	20250421_150435UTC_V00OS11.WAV
V	16.3187496	541.6677499999997	1570.83225	16.1499996	16.4874996	0.3374999999999986	20250421_150435UTC_V00OS11.WAV
B	4.731248	0.0022750000003526	176.04372500000034	4.649998	4.812498	0.1624999999999996	20250421_150435UTC_V00OS11.WAV
X	38.537496	2491.6645	4197.9145	38.037496	39.037496	1.0	20250421_150435UTC_V00OS11.WAV
U	55.943752	744.7895000000002	988.5395000000002	55.887502000000005	56.000002	0.1124999999999971	20250421_150435UTC_V00OS11.WAV