[TowerTalk] All band loop

2 2@vc.net
Wed, 5 Sep 2001 08:50:27 -0700

>> There is another theoretical concept as dirty as it is that when you use
>> longer than 1/4 waves for a 4 square, you may not get as clean a pattern
>> to the higher mutual coupling between them.  I thought that 4 1/2 waves in
>> 4 Sq should give a better pattern.  My preliminary Eznec tries were not
>> good.
>I modeled a 4 square of 1/2 wave verticals on EZNEC and it worked
>fine with one caviat:  if you want to feed the verticals
>at the bottom, you must use voltage sources.  ...

//  I got an SWR=1 to 1 result by matching a  >1000-ohm half-wave curtain 
array to 50-ohms with an L-network.  The delightsome thing about end-fed 
halfwaves is that they work well with even a minimal ground due to their 
relatively high-Z.  

> ...

cheers, Rick

-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  

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