[TowerTalk] Wilson 5 element 20 meter monobander

[Tower (K8RI)]

The old KLM was 5 L on a 42 foot boom and I thought it worked well.  At 
least it worked well enough that I was happy.

Roger (K8RI)

Ted Bryant wrote:

>Tim and Jim are correct. A 40-ft boom on 20M is a little short for five
>elements. However, someone once said that sometimes you just gotta use what
>you got. So, if you have a fairly recent copy of the ARRL Antenna Handbook,
>there is a design shown in the chapter on HF yagis for a 5-element, 20 meter
>yagi on a 40-foot boom (520-40.yag on the CD that comes with the handbook).
>There is also a similar design that comes with K6STI's YO software.
>
>73,Ted w4nz
>
>
>  
>
>>-----Original Message-----
>>From: towertalk-bounces at contesting.com
>>[mailto:towertalk-bounces at contesting.com]On Behalf Of Tim Duffy K3LR
>>Sent: Saturday, October 09, 2004 1:50 PM
>>To: EL34GUY at aol.com
>>Cc: towertalk at contesting.com
>>Subject: Re: [TowerTalk] Wilson 5 element 20 meter monobander
>>
>>
>>Hi Mark!
>>
>>I had a brand new one of these in 1979. Its factory dimension
>>performance was horrible. I was attending college at the time and
>>thanks to hundreds of key punch cards I was able to model on
>>the mainframe computers (optimizers were only a dream in the
>>public sector) a 56 ft boom design which worked much better with
>>5 elements. As Jim, SM2EKM (He visited me about the time I
>>extended the boom in 1980) pointed out, 5 elements on 40 ft boom
>>is one element to many for that boom length.
>>
>>73!
>>Tim K3LR
>>
>>EL34GUY at aol.com wrote:
>>
>>    
>>
>>>Hello,
>>>
>>>Does anyone have any experience with the large 3 inch 40ft boom Wison
>>>monobander for 20 meters? Im wondering how well it works and if
>>>      
>>>
>>it was  reoptimized
>>    
>>
>>>and what the new spacings might be? 73
>>>
>>>Mark
>>>W0NCL
>>>_______________________________________________
>>>      
>>>
>
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>
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>  
>

-- 
Roger Halstead (K8RI ARRL Life Member)
Worlds Oldest Debonair (N833R S# CD-2)
www.rogerhalstead.com