From memory, I believe the advantage that fractal antennas provide is very wide bandwidth and reduced size for performance. Desirable characteristics for hand-held communications. But as far as radiation efficiency???
73, Ed- KL7UW At 07:08 AM 3/14/2010, Anthony Monteiro wrote: >Dear friends, > >See the article by Steven Best in the June 2003 >IEEE Antennas and Propagation magazine. His >analysis shows that they do not work any better than >any other small antenna. I attended a presentation on >his findings at an IEEE antennas society meeting and he >makes a very persuasive case. > >There are those who argue that his analysis is not perfectly >fair (i.e. those trying to SELL these antennas) but I >have yet to see any technical analysis that shows otherwise. > >73, >Tony AA2TX >AMSAT >VP Engineering > > >At 09:18 AM 3/14/2010, Nigel Gunn G8IFF/W8IFF wrote: > >I beleive fractal antennas have been "ignored" because of patent issues. > > > >On 13-Mar-10 22:26, Dave Marthouse wrote: > > > This seems almost too good to be true. Keep in mind > > that I'm not an engineer. Maybe this technology could be used for > > future amateur satellites, wider bandwidth, more gain, less space, etc. > > > http://www.fractalantennas.com/ > > > > > > Dave Marthouse N2AAM > > > dmartho...@gmail.com > > > _______________________________________________ > > > Sent via amsat...@amsat.org. Opinions expressed are those of the author. > > > Not an AMSAT-NA member? Join now to support the amateur > satellite program! > > > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb 73, Ed - KL7UW, WD2XSH/45 ====================================== BP40IQ 500 KHz - 10-GHz www.kl7uw.com 500-KHz/CW, 144-MHz EME, 1296-MHz EME DUBUS Magazine USA Rep dubus...@hotmail.com ====================================== _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
