Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	47.468752	649.9977249999996	798.9562749999997	46.937504	48.0	1.062495999999996	20250209_215050UTC_V00OS11.WAV
P'	19.325	81.24772499999995	189.58127499999995	18.8875	19.7625	0.875	20250209_215050UTC_V00OS11.WAV