@Krig the Viking-- Thanks for sharing your method and linking the thread, as I had not seen it before on the boards and it's really interesting that you spotted those trends and came up with this. I am just afraid that my typing considerations are way off in the first place, so any kind of comparison or system will fail me.

I think right now I will just assume Delta NF of some kind, and perhaps if I keep posting on the forum, more light will be shed on the issue.