Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	42.256248	54.16677499999986	230.20822499999983	41.887498	42.624998	0.7374999999999972	20250210_001450UTC_V00OS11.WAV
U	15.506248	636.4604999999999	798.9604999999999	15.025	15.987496	0.9624960000000016	20250210_001450UTC_V00OS11.WAV