Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	17.306248	352.0855	798.9605	17.024998	17.587498	0.5625	20250422_234635UTC_V00OS11.WAV
E	45.868752	433.3355	717.7105	45.487502	46.250002	0.7625000000000028	20250422_234635UTC_V00OS11.WAV