Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	19.95	148.95822499999997	663.541775	19.45	20.45	1.0	20250201_152650UTC_V00OS11.WAV
E	54.9	81.25000000000028	771.8750000000002	54.6	55.2	0.5999999999999943	20250201_152650UTC_V00OS11.WAV