Thanks to everyone who responded. I think the plan is made
Stan
On Wed, Oct 16, 2019, 1:47 PM Jim Brown <jim@audiosystemsgroup.com> wrote:
> On 10/16/2019 5:42 AM, Stan Stockton wrote:
> > I need to know some approximate dimensions of what that coil should be
> and also whether there are other concerns I may have not considered.
>
> A stub that is optimally placed on the 40M dipole feed to kill the
> second harmonic will also prevent interaction with 20M. It works by
> shorting the feedpoint of the 40M antenna on 20M.
>
> http://k9yc.com/StubPlacement.pdf
>
> 73, Jim K9YC
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