Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	31.218752	649.9977249999996	798.9562749999997	30.437504	32.0	1.5624959999999994	20250210_065050UTC_V00OS11.WAV
T	49.75	446.8727249999996	595.8312749999997	48.925	50.575	1.6500000000000057	20250210_065050UTC_V00OS11.WAV