[TowerTalk] Feeding a quad
Kevin Stover, AC0H
kstover at ac0h.net
Tue Nov 21 18:20:49 EST 2017
Cubex Quads recommends 1/4 wavelength 75 Ohm matching sections for each
band. Might need 3/4 for the 10m driven depending how far from the relay
box. So does this NCJ article. ncjweb.com/features/janfeb08feat.pdf
On 11/20/2017 6:40 AM, Martin Sole wrote:
> Dan,
>
> Many thanks. That pretty much says what I wanted to know (and a whole
> lot more!)
>
> It seems to me that a just reach length, or rather some arbitrary length
> close to that is going to be the best compromise.
>
> Martin, HS0ZED
>
>
> On 20/11/2017 14:02, Dan Maguire wrote:
>> Martin, HS0ZED, wrote:
>>
>>>>> The pentaband quad in the ARRL antenna book has had a couple of
>>>>> recommendations as a good design based on my web reading and it
>>>>> makes an interesting point with regard to the feeding method.
>> There is a very detailed study of the feed system for the ARRL
>> pentaband quad in the 5th section of this page:
>>
>> http://ac6la.com/aeautoseg.html
>>
>> Dan, AC6LA
>> http://ac6la.com
>> _______________________________________________
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--
R. Kevin Stover AC0H
FISTS #11993
SKCC #215
NAQCC #3441
ARRL
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