Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	31.35	297.9167749999997	473.9582249999997	30.8375	31.8625	1.0249999999999986	20250420_150435UTC_V00OS11.WAV
T	27.306248	406.2499999999997	568.7499999999998	26.299996	28.3125	2.012504	20250420_150435UTC_V00OS11.WAV