larryjspammenot@teleport.com wrote:
> I've been wanting to try a pair of phased Butternut HF6V vertical antennas
> for 40-Meters, mounted on my garage roof. I already have them, that's why I'm
> looking at Butternut. The garage is 40 feet long, so I trust there's enough
> spacing for proper operation.
>
> Looking at that Hy-Gain Engineering report for Amateur Phasing (I picked up
> my copy back in the 1960's), I know any verticals should work okay, not just
> the Hy-Gain ones. However, since that report and procedures info for phasing
> two or three vertical antennas was written, there have been improvements to
> the test procedures, computer modeling, and probably much discussion as to
> how best to tackle a simple 2-antenna vertical array used for just 40-Meters.
> That Hy-Gain report is given in the last four pages of the link shown
> earlier. I'd be interested in any suggestions or improvements before I look
> at doing it as shown in this Hy-Gain report.
>
>
What about the scheme in the ARRL antenna compendium from the EE prof..
Basically a pi network that gets adjusted and a DPDT switch to flip the
phasing. You adjust for a null on the desired station, then flip the
switch.
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