Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	31.243752	0.0022750000003526	176.04372500000034	31.162502	31.325002	0.1625000000000014	20250416_201635UTC_V00OS11.WAV
U	39.312496	3006.247725	3155.206275	38.624996	39.999996	1.375	20250416_201635UTC_V00OS11.WAV