[TowerTalk] Laws of Physics Repealed!
David Gilbert
xdavid at cis-broadband.com
Fri Oct 23 16:32:16 EDT 2015
Uhh ... MFJ owns Cushcraft now.
'nuff said
Dave AB7E
On 10/23/2015 1:13 PM, Donald Chester wrote:
> First there was the Gotham Vertical. Then the infamous Max-Com automatic antenna matcher. Now, Cushrcaft is in on the action.
>
> "R9"
> vertical. Low angle radiation gives incredible, easy, world-wide low
> band DX on 75/80m and 40m, plus it covers 30 through 6m with low
> VSWR on all bands, with broadband matching transformer; no antenna tuner
> needed. Low profile blends inconspicuously to keep your HOA happy. 31.5
> ft tall. Best of all, NO RADIALS NEEDED!!!
>
> Only $639. Just plug in your plastic radio and talk, talk, talk!
>
> See November, 2015 QST, page 2.
>
> Amazing
> that hams (or maybe I should say HAMs) swallow that crapola. 31.5 ft
> is only an eighth wavelength on 75/80m. The base impedance of a 1/8
> wavelength vertical is about 12 ohms. No matter how much gimmickry such
> as stubs, loading coils, toroidal transformers and porcupine spikes are
> added, that thing will basically be a dummy load unless it is used with a
> SUBSTANTAL radial ground system. A couple of 8' ground rods won't cut
> it.
>
> I had always considered Cushcraft, which has been in the business for decades, a reputable outfit, but this makes me wonder.
>
>
> Don k4kyv
>
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