Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	17.931248	0.0	189.5812750000001	17.812498	18.049998	0.2374999999999971	20250419_195235UTC_V00OS11.WAV
B	17.937504	0.0	189.5812750000001	17.850004000000002	18.025004	0.1749999999999971	20250419_195235UTC_V00OS11.WAV