[TowerTalk] MACAntenna

[Brian Gieryk]

Perhaps a typo on their site, or an oversight, but how cane one have a  
turning radius (20 ft, 1 in.) LESS than the boom length (20 ft, 6 in.)?

Brian
KE6IYC

On May 20, 2009, at 4:41 AM, Pete Smith wrote:

> This year at Dayton, there was a vendor (www.mactenna.net)
> demonstrating something called the SB20-10 Simple Beam.  The basic
> principle was described in a QST article in September 2008, applied
> to a wire dipole, and I remember at the time thinking "You've gotta
> be kidding."  Now, however, the inventor has incorporated the idea in
> a 3-element yagi, and unless he has cooked the books, the EZNEC
> models look pretty good.  On all 5 bands between 20 and 10 meters,
> the models show very similar pattern and gain numbers and excellent
> SWR bandwidth, all without motors, moving parts (other than relay
> contacts), and at a decently low price.
>
> The manufacturer's web site is very forthcoming with information,
> which tends to inspire confidence.  Still, I'd appreciate  hearing
> what the gurus among us think.
>
> 73, Pete N4ZR
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