Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	27.687504	40.62499999999983	853.1249999999998	27.375004	28.000004	0.625	20250416_074035UTC_V00OS11.WAV
E	38.081248	108.33322500000033	744.7917750000003	37.762498	38.399998	0.6375000000000028	20250416_074035UTC_V00OS11.WAV
D	5.456248	0.0032500000000936	947.91775	5.174998	5.737498	0.5625	20250416_074035UTC_V00OS11.WAV
C	7.743752	40.624999999999886	1056.25	7.525002	7.962502	0.4375	20250416_074035UTC_V00OS11.WAV