Re: [TowerTalk] Wilson 5 element 20 meter monobander

["Tower (K8RI)" <tower@rogerhalstead.com>]

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@contesting.com
> > [mailto:towertalk-bounces@contesting.com]On Behalf Of Tim Duffy K3LR
> > Sent: Saturday, October 09, 2004 1:50 PM
> > To: EL34GUY@aol.com
> > Cc: towertalk@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@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
> > > _______________________________________________
> > >      
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
>
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>
>  

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


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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