Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	55.825	13.5427499999999	1015.62825	55.675	55.975	0.2999999999999971	20250413_121635UTC_V00OS11.WAV
D	53.656248	0.0032500000000936	947.91775	53.499998	53.812498	0.3125	20250413_121635UTC_V00OS11.WAV