[Elecraft] Antenna choices

[Brian Hunt]

I've been having fun and some success with a 5 band hex beam. It's only at 20 ft and 50 ft would be much better. Its SWR is less than 1.5:1 on each band 20-10m. There is an option to add 6 m for little or no cost. 

It's only 2 elements so it doesn't have a lot of fwd gain (9-10 dBi) but good f/b of 20 dB. Not too expensive if you HB it. 

Brian, K0DTJ

> On May 26, 2014, at 16:29, Bill Coleman <aa4lr at arrl.net> wrote:
> 
> 
>> On May 25, 2014, at 8:31 PM, Joshua Gould <jg.k8wxa at gmail.com> wrote:
>> 
>> I am going to be acquiring a 56 foot Rohn BX tower.  I already have a G5RV
>> that I am planning on putting up (still not sure where I'm going to attach
>> the other end of it to, One end will go on the tower.) I'm going to put up
>> a 2m/440 vertical at some point up near the top of the tower.  I keep
>> throwing around an HF vertical or a beam.  The verticals seem to cover more
>> bands, but the beams are directional.  (Would also need a rotor,..
>> 
>> Can a multi band yagi be tuned to a different band, or will it only work on
>> the bands that it's designed for?
> 
> I would not use a multi-band yagi on a band it was not designed for.
> 
> That said, I would recommend you put a tribander yagi on the top of that tower. You can then hang dipoles for the WARC bands, as well as for 40/80m. 
> 
> You also might consider shunt-feeding the tower for 160/80m.
> 
> I have an article on my blog on how I support 9 bands from one 50 foot tower:
> 
> - A3S/A743 - supports 10/15/20m, and the dipole attachment for 40m. (http://boringhamradiopart.blogspot.com/2009/07/cushcraft-a3sa743.html)
> - homebrew trap dipole supports 12/17/30m. (http://boringhamradiopart.blogspot.com/2010/02/warc-trap-dipole.html)
> - Shunt feed with matching network supports 80/160m. (http://boringhamradiopart.blogspot.com/2009/04/shunt-feeding-short-tower-on-80-and.html)
> 
> And here’s an article where I talk about the experience of using a tribander:
> http://boringhamradiopart.blogspot.com/2009/03/tribander-experience.html
> 
> 
> 
> Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at mac.com
> Quote: "Boot, you transistorized tormentor! Boot!"
>         -- Archibald Asparagus, VeggieTales
> 
> Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
> Web: http://boringhamradiopart.blogspot.com
> Quote: "Not within a thousand years will man ever fly!"
>           -- Wilbur Wright, 1901
> 
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