Jim is right. I used a simple variable L network to create the required phase
shift to convert my CC XM-240 into a rotatable, phased array that works really
well. There's a Youtube video of me running some F/B tests with it if you
search my call.
Gedas, W8BYA
Gallery at http://gedas.cc
Light travels faster than sound..
This is why some people appear bright until you hear them speak.
----- Original Message -----
From: Jim Lux
To: towertalk@contesting.com
Sent: Monday, March 18, 2013 10:50 AM
Subject: Re: [TowerTalk] Variable phasing was: Re: [CQ-Contest] Stacking on
separate towers, take off angles?
On 3/18/13 6:32 AM, Roger D Johnson wrote:
> Here's the patent:
>
>
http://www.google.com/patents?id=_WU6AAAAEBAJ&printsec=abstract&zoom=4&client=internal-uds#v=onepage&q&f=false
>
>
Interesting..
The antenna compendium article had a continously variable shifter
(actually, a regular old T or Pi tuner, as I recall)
There's countless ways to skin this particular cat.
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