> > Jim Said: Cut a large double sided piece of double sided circuit board to > fit the > backpack. Etch the back side with a symmetric Hilbert curve split into 2 > columns fed > at the bottom center and the two columns attached at the top.
Just don't accidentally etch a Do-Nha curve, or you might wind up with a summoning grid that attracts alien monstrosities from beyond spacetime that'll eat your brain. hi hi 73, Gwen, NG3P (In reference to this: http://radiopsychedelica.blogspot.com/2014/01/dho-na-curve-of-sleeper.html) On Thu, Jan 24, 2019 at 1:37 AM Jim Shepherd <nvj...@gmail.com> wrote: > Cut a large double sided piece of double sided circuit board to fit the > backpack. > Etch the back side with a symmetric Hilbert curve split into 2 columns fed > at the bottom center and the two columns attached at the top. Leave the > other side as a solid ground plane... It will take some work to make a > matching network, but the length of the 'curve' can easily be a half wave > on 20 meters. It will be directional to your rear as you walk along. > > Jim W6US > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to ard...@gmail.com > -- -+-+-+-+- Jenny Everywhere's Infinite: Quark Time http://quarktime.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
