Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	47.293752	311.4605000000004	473.9605000000004	46.5875	48.000004	1.4125039999999984	20250311_163217UTC_V00OS11.WAV
O	18.956248	284.3727250000002	433.3312750000002	18.275	19.637496	1.3624960000000002	20250311_163217UTC_V00OS11.WAV
O	30.306248	270.83322499999986	419.7917749999998	29.525	31.087496	1.562496000000003	20250311_163217UTC_V00OS11.WAV
O	24.7	284.3727250000002	433.3312750000002	24.0625	25.3375	1.2749999999999986	20250311_163217UTC_V00OS11.WAV