Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	15.7	135.416775	270.833225	15.4	16.0	0.6000000000000014	20250131_040850UTC_V00OS11.WAV
O	8.1562496	257.2895000000001	541.6645000000001	8.0124996	8.299999600000001	0.2875000000000014	20250131_040850UTC_V00OS11.WAV
O	9.437504	162.50227499999977	338.54372499999977	8.937504	9.937504	1.0	20250131_040850UTC_V00OS11.WAV
V	52.468752	798.9605000000004	1002.0855000000004	52.075002000000005	52.862502	0.7874999999999943	20250131_040850UTC_V00OS11.WAV
U	52.45	826.0395000000001	988.5395	51.975	52.925	0.9500000000000028	20250131_040850UTC_V00OS11.WAV
O	31.475	406.2522749999999	622.9187249999999	30.9625	31.9875	1.0249999999999986	20250131_040850UTC_V00OS11.WAV
T	31.475	419.7937249999999	609.3772749999999	30.950000000000003	32.0	1.0499999999999972	20250131_040850UTC_V00OS11.WAV
O	32.3437504	230.20822499999983	460.4167749999998	32.0000004	32.6875004	0.6875	20250131_040850UTC_V00OS11.WAV
T	18.725	189.583225	419.791775	17.950000000000003	19.5	1.5499999999999972	20250131_040850UTC_V00OS11.WAV
O	18.737496	176.0395000000001	419.7895000000001	17.949996	19.524996	1.5750000000000028	20250131_040850UTC_V00OS11.WAV