Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	48.856248	3073.956275	3209.372725	48.075	49.637496	1.562495999999996	20250219_193850UTC_V00OS11.WAV
U	30.831248	3046.8772750000003	3222.918725	29.662496	32.0	2.337503999999999	20250219_193850UTC_V00OS11.WAV