[Elecraft] K3 - Numeric SWR Display

[Jessie Oberreuter]

On Wed, 17 Sep 2008, Bill W5WVO wrote:

> Actually, looking at transmission line SWR at the transmitter is a
> poor way to adjust an antenna. To get it right, you need to use a
> complex impedance analyzer like the now-ubiquitous MFJ-259B (or
> equivalant instrument), and put it as close to the antenna
> feedpoint as possible. Adjust as close as you can get for Xc=0,
> Xl=0, R=50. You can't do that with an SWR bridge! :-)

      Alternately, feeding through one or more half-waves of coax will give 
you good accuracy while letting you get far enough away from the antenna 
to not affect the measurement.