Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	39.893752	257.29177500000014	473.9582250000002	39.812502	39.975002	0.1624999999999943	20250415_035835UTC_V00OS11.WAV
O	39.906248	270.8332250000002	460.41677500000014	39.837498	39.974998	0.1375000000000028	20250415_035835UTC_V00OS11.WAV
P	31.037496	297.91677500000014	433.3332250000002	30.524996	31.549996	1.0249999999999986	20250415_035835UTC_V00OS11.WAV
O	31.018752	297.91677500000014	433.3332250000002	30.525	31.512504	0.9875040000000012	20250415_035835UTC_V00OS11.WAV
O	12.737504	121.87727500000034	257.29372500000034	12.175004	13.300004	1.125	20250415_035835UTC_V00OS11.WAV
P	48.806248	270.8355000000002	392.7105000000002	48.0	49.61249599999999	1.612495999999993	20250415_035835UTC_V00OS11.WAV
O	19.218752	135.41872500000034	243.75227500000037	18.687504	19.75	1.062496000000003	20250415_035835UTC_V00OS11.WAV
O	16.837496	162.49999999999986	324.9999999999999	16.049996	17.624996000000003	1.5750000000000028	20250415_035835UTC_V00OS11.WAV
O	47.712504	257.2894999999999	419.7894999999999	47.437504	47.987504	0.5499999999999972	20250415_035835UTC_V00OS11.WAV