[TowerTalk] Fwd: What kind of antenna is this?

[Bob Richards]

Hi Kevin,  Your drawing looks like a cage dipole to me.  For a given 
band a cage dipole has a much larger bandwidth than a single wire dipole 
for that same band.

Bob NZ6G

On 5/23/2022 11:54 AM, Kevin Zembower via TowerTalk wrote:
> There's a drawing at
>
> https://www.dropbox.com/s/8omfop6trejx211/IMG_20220523_144427650_BURST000_COVER.jpg?dl=0
>
> despite my very limited artistic talent.
>
> -Kevin
> KC3KZ
>
>
>
> -------- Forwarded Message --------
> Subject: What kind of antenna is this?
> Date: Mon, 23 May 2022 12:22:01 -0400
> From: Kevin Zembower <kevin at zembower.org>
> To: towertalk at contesting.com
>
> Hello, all,
>
> At Hamvention, I saw a couple of antennas that seemed to be part of a
> multi-band hex-beam. They consisted of two rings about 2 inches in
> diameter, separated by about 3 feet, with 5 parallel wires between them.
> On closer inspection, it seemed like a single wire double back and forth
> between the rings. I've also seen a similar arrangement on Naval ships,
> albeit much larger. They're mounted horizontally and seem to be fed from
> either end. The literature on the sales table might have referred to
> this as a 'Short 40.' The table was busy, and I didn't get to talk with
> the sales representative about it.
>
> Can anyone tell me the type or name of this antenna? Can it be modeled
> with NEC? What are it's characteristics, advantages and disadvantages?
>
> Thanks so much. Looking forward to learning more.
>
> -Kevin
> KC3KZ
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk