Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	17.862496	230.2062749999998	528.1227249999998	17.524996	18.199996	0.6749999999999972	20250423_053435UTC_V00OS11.WAV
O	17.868752	243.7477249999998	514.5812749999998	17.512502	18.225002	0.7124999999999986	20250423_053435UTC_V00OS11.WAV
O	44.937504	243.74772499999992	433.3312749999999	44.662504	45.212504	0.5499999999999972	20250423_053435UTC_V00OS11.WAV
E	44.075	216.66677500000017	514.5832250000002	43.7	44.45	0.75	20250423_053435UTC_V00OS11.WAV