http://www.radio-electronics.com/info/antennas/basics/resonance.php
BOB k3djc On Wed, 16 Sep 2015 08:21:03 -0700 "Wes (N7WS)" <[email protected]> writes: > I'm having a hard time understanding where the frequency selectivity > of a piece > of wire comes from. > > On 9/16/2015 6:13 AM, Rick Stealey wrote: > > And Joe presented a very useful tabulation showing how signals > combine. > > One thing that we should keep in mind is that single band antennas > like Steppirs, single band dipoles, etc. greatly attenuate out of > band signals. And from Joe's data look what a difference 10-20 db > can make. This might be a good case against 80/40 fan dipoles and > trap tribanders. > > Rick K2XT > > _____________ > > ______________________________________________________________ > 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 > Message delivered to [email protected] > ______________________________________________________________ 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 Message delivered to [email protected]
