Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	6.968752	176.0427500000003	1083.3322500000004	6.750002	7.187502	0.4375	20250416_191035UTC_V00OS11.WAV
B	38.937504	0.0022750000003526	176.04372500000034	38.850004	39.025004	0.1749999999999971	20250416_191035UTC_V00OS11.WAV