[CQ-Contest] HFTA .PRN Help

[FritzOAQ]

I just received my new ARRL Antenna Book and am having a ball using the HFTA
pgm on CD.

My stn is located in Southwest VA (specifically Dublin, VA) & I'm not sure
which .PRN file I shud be using.

I'm thinking the W4-KY files might be the closest to me. I assume the data
for these .PRN files are collected from a specific location.

Is there somewhere I can find the data collection points for these files?

Fritz K4OAQ