I agree Moleculo, I have been trying to understand all of that for some time now. I was really surprised to see someone model something in the 11 meter band. Got me to thinking about common mode currents, currents in the antenna, and modeling as a tool to try and understand how the electrical process goes.
Well written also, pretty easy to read.
I just posted a thread about a Penetrator down below that has its question based in part on this very article. Good read.
Marconi