Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	17.437504	1110.4187250000002	1259.377275	16.400004	18.475004	2.075000000000003	20250131_033850UTC_V00OS11.WAV
U	18.568752	1137.4977250000002	1286.456275	17.6875	19.450004	1.7625039999999998	20250131_033850UTC_V00OS11.WAV