[TowerTalk] Duo band 20/15 meter beam

[Herbert Schoenbohm]

Easy as I have done this with an insulated driven 15 meter element 
spaced about a foot away from the 20 meter element. The so called single 
feed line  parasleve concept works well but the 20 meter DE must not be 
grounded at the boom and should be  fed with a balanced feed for the 
sleeve idea to work.



Herb, KV4FZ


On 11/3/2016 11:53 AM, Tom Osborne wrote:
> Hi All
>
> I have a homebrew 2-el 20 meter monobander and I would like to add a 15
> meter 2-el on the same boom.
>
> I have only been able to find commercial antennas,  but nothing for
> building one.
>
> Does anyone know where there is information on adding a 15 meter beam to a
> 20 meter monobander?  Thanks and 73
> Tom W7WHY
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