[Elecraft] Off Topic -- Yagi Antenna SWR measurement ?

[Jim Brown]

On 7/12/2013 9:12 AM, John Santillo wrote:
> What I do especially at the lower bands is put the antenna up in the air
> around 10 to 12 feet and adjust it to just below the bottom of the band.
> For example for 40M I would tune for best VSWR at 6.95MHz.  Then when the
> antenna was raised the resonant point moved up in frequency to 7.1MHz.  I
> know it's not the best way but it worked.

I tried this with a 4-el 10M Yagi on a push-up at about 10 ft, and the 
resonance actually moved down when I raised it to 20 ft, which is where 
I run it.

73, Jim K9YC