Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	30.187504	176.0427499999999	1056.25325	30.000004	30.375004	0.375	20250307_203817UTC_V00OS11.WAV
B	9.65	0.0022750000003526	176.04372500000034	9.5625	9.7375	0.1750000000000007	20250307_203817UTC_V00OS11.WAV