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Re: [TowerTalk] 15 meter beam on 40 meter tower ?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] 15 meter beam on 40 meter tower ?
From: Kim Elmore <cw_de_n5op@sbcglobal.net>
Date: Thu, 1 Sep 2022 13:09:06 -0500
List-post: <mailto:towertalk@contesting.com>
I have a KLM KT-34A about 8 ft from and perpendicular to 40CD2. They each 
appear unaffected by the other, at least as far as VSWR values go. 

Kim N5OP

"People that make music together cannot be enemies, at least as long as the 
music lasts." -- Paul Hindemith

> On Sep 1, 2022, at 11:16 AM, JOHN OWENS <ham38john@comcast.net> wrote:
> 
> My 2 EL 40M beam is separated from my HyGain TH-ll by about 12ft. Have never 
> found any interaction. -  John Owens -   N7TK
> 
> 
> 
>> On 09/01/2022 8:07 AM john@kk9a.com wrote:
>> 
>> 
>> Why would the 40m beam be effected by the 15m? It is unlikely that the 15m
>> beam will have much interaction from the 40m beam that is almost a
>> wavelength away but it is easy to model. If you have just one 40m Yagi, most
>> people put it near the top of the tower for lower radiation angle.
>> 
>> John KK9A 
>> 
>> Everett Jackson wz8p wrote:
>> 
>> Good Morning,
>> If I put a 5 element 15 meter beam 40 feet above
>> a full size 40 meter 3 element beam will they work ?
>> 
>> What would be the result ?   I have heard that both beams will suffer.
>> Best to ask before doing the wrong thing.   Do they need there own towers ?
>> 73,
>> Everett - WZ8P
>> 
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