[Elecraft] Matching resonant antennas

Ken WA8JXM wa8jxm at gmail.com
Wed Jul 15 15:30:58 EDT 2020


Yes, a resonant half wave dipole can have a feedpoint impedance of 5 ohms
to 90 ohms (SWR 10:1 to 1.8:1), but it's still resonant.

Conversely, a non-resonant antenna can have a 1:1 SWR.

Ken WA8JXM

On Wed, Jul 15, 2020 at 12:34 PM Andy Durbin <a.durbin at msn.com> wrote:

> "A correspondent asked me why I needed to tune a resonant antenna."
>
> Perhaps the question should have been "why may you need to match the
> impedance of a resonant antenna".   The answer may be that not all resonant
> antennas are 50 ohm.   Resonance only means that inductive and capacitive
> reactance are equal magnitude. Resonance says nothing about the value of R.
>
> Andy, k3wyc
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at 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 wa8jxm at gmail.com
>


More information about the Elecraft mailing list