Actually Ron, the pure form of "dipole" is an antenna with two ends, but typical usage refers to the half wavelength. Yes, I did mean a 1/2 wavelength dipole - sorry for not being specific.
73, Don W3FPR On 7/1/2012 5:40 PM, Ron D'Eau Claire wrote: > Note that Don said " RF Ground will be that point of zero RF voltage - in a > balanced dipole, it will be present right at the middle of the center > insulator." > > "Dipole" is the important word, meaning a radiator 1/2 wavelength long. A > full wave center fed antenna (two half waves in phase) will have a voltage > loop - high impedance point - at the center of the center insulator. > > As the center fed antenna is made shorter than a 1/2 wave, the impedance at > the center also rises. Think of it as "stuffing part of the antenna down the > feed line" to make up a 1/2 wave. > > 73, Ron AC7AC > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
