[TowerTalk] 2-el 15/20 meter duobander

[Stan Stockton]

Sure.  No problem.  

> On Nov 28, 2017, at 9:43 PM, <john at kk9a.com> <john at kk9a.com> wrote:
> 
> Can it optimize for a specific impedance?  In other words can it design an
> OWA?
> 
> John KK9A
> 
> -----Original Message-----
> From: Stan Stockton [mailto:wa5rtg at gmail.com] 
> Sent: Tuesday, November 28, 2017 9:36 PM
> To: john at kk9a.com
> Cc: towertalk at contesting.com
> Subject: Re: [TowerTalk] 2-el 15/20 meter duobander
> 
> Anther reason to own AutoEZ.  It can design a duo bander for you in about
> ten minutes.
> 
> Stan, K5GO
> 
>> On Nov 28, 2017, at 7:18 AM, "john at kk9a.com" <john at kk9a.com> wrote:
>> 
>> I played modeling 2el dual banders a long time ago and I recall having 
>> success just putting the higher frequency Yagi in-between the elements 
>> of the lower frequency Yagi. It is easy to model and see what happens. 
>> Adding more elements and more bands really complicates things, kudos 
>> to the designers of the excellent multiband interlaced beams.
>> 
>> John KK9A
>> 
>> 
>> To:    towertalk at contesting.com
>> Subject:    [TowerTalk] 2-el 15/20 meter duobander
>> From:    Tom Osborne <w7why1 at gmail.com>
>> Date:    Mon, 27 Nov 2017 12:58:40 -0800
>> List-post:    <mailto:towertalk at contesting.com>
>> Hi all
>> 
>> I have a HB 2-el 20 meter monobander on a 16 foot boom.  I would like 
>> to add 15 meters to this antenna, but can't find any diagrams anywhere 
>> for such an animal.  Googled it but no joy.
>> 
>> Does anyone know of a good setup for 20 and 15 on the same boom 
>> without interaction to each other??  Thanks and 73 Tom W7WHY 
>> __________
>> 
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>