Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	47.937504	826.0394999999996	1029.1644999999996	47.887504	47.987504	0.0999999999999943	20250414_095835UTC_V00OS11.WAV
V	44.393752	1286.456275	1543.7477250000002	44.262502	44.525002	0.2625000000000028	20250414_095835UTC_V00OS11.WAV