[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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