Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	38.543752	216.6644999999998	338.5394999999998	38.0875	39.000004	0.9125039999999984	20250421_022835UTC_V00OS11.WAV
O	18.687504	148.958225	460.416775	18.500004	18.875004	0.375	20250421_022835UTC_V00OS11.WAV