Breakthru, huh?
That design was published in Funkamateur magazine in 2013. They can't
change and patent that.
Boys and girls, can you say "Prior art"? :-)
http://en.wikipedia.org/wiki/Prior_art
73, Mike
www.w0btu.com
On Fri, Apr 24, 2015 at 10:24 PM, Richard (Rick) Karlquist <
richard@karlquist.com> wrote:
> At the Visalia DX convention last weekend, the vendor of the SAL announced
> a "breakthru" where the loops have more separation which entails dispensing
> with the shared apex. Another aspect of the breakthru was that the loops
> are now rectangular instead of triangular. The result looks a lot like the
> double loops that have already been published. All of this confirms my
> original suspicions about
> the SAL.
>
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