[TowerTalk] 6 mtr quad
Roger D Johnson
n1rj at roadrunner.com
Thu Sep 1 09:09:50 EDT 2016
The big question is, over what frequency range and angles does this F?B ratio
hold up?
73, Roger
On 9/1/2016 8:09 AM, Rudy Bakalov via TowerTalk wrote:
> It is worth taking a look at the Swiss quad described in the Rothammel Antenna Book, which as far as I can tell was never for sale in English. The Swiss quad takes the idea of the HB9CV yagi and applies it to a quad to achieve over 30 db F/B with a lambda/8 boom. I have personally used a few of the HB9CV yagis and was amazed by their F/B.
>
> The German version of the Rothammel book is available for free online.
>
> Rudy N2WQ
>
>
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