On Tue, 25 Apr 2017 22:38:56 -0700, Jeff Liebermann
wrote:

Sheesh. I'm an idiot. I just noticed that I already have a model of
an alternating coax collinear on my own web pile:
http://802.11junk.com/jeffl/antennas/CoaxVert/index.html

I fixed a few things, made some better images, and renamed the folder:
http://www.11junk.com/jeffl/antennas/CoaxVertical/index.html

Looks like the 1/4 wave section at the top is missing. I'll fix it
tomorrow. It's late, I'm tired, etc...

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558