[Elecraft] Two and three element Yagi design data

[Orrin Winton]

On 7/1/05, Charles Greene <crgreene at cox.net> wrote:
> I am redoing a two element moxon square wire beam we used for field day by
> making it a bit wider and adding a three element wire 20 meter beam
> inside.  The PVC tubes we used (18' at each end) are too heavy and bend too
> much, so we are going to replace them with 21' fiberglass tubes.  Can
> someone please refer me to some design data for two element and three
> element beams.  EZNEC 3.0 works pretty good, but it's easier if  you have a
> starting point.  From RI, a 60 deg beam covers 95% of the US, so we don't
> need to rotate it.

Try my Yagi-design javascript.  At least it will give a starting point for you,
which you can optimize with YO (the Yagi Optimizer program):

http://orrin.freeshell.org/yagiscr.html

And give me feedback on what you get. The script will output x,y,z coordinates
which you can then input into EZNEC, YO, etc.

Orrin wn1z