[TowerTalk] Raised Radial Spacing

Jim Brown jim at audiosystemsgroup.com
Mon Oct 27 13:49:34 EDT 2025


On 10/27/2025 6:08 AM, Mike Smith VE9AA wrote:
> My example is an HF9V multiband vertical mounted on the back of my shed (on
> a side where a gutter would normally be, not on the peak) around the 6.5'
> mark AGL.
> 
> I then made 2 RESONANT (raised) radials for each band I intended to operate
> from. 80, 40,30,  20, 15*, 17, 12 and 10m.

Yes, and in the study that I published about ten years ago showing that 
HF verticals work better when on the roof of a typical home, that's 
exactly what I recommended. It was a solution developed long ago by others.

Most of what I write is with the goal of helping others UNDERSTAND how 
stuff works, so that they can make intelligent decisions about using 
that "stuff." Most of the responses in this thread from others had the 
same goal.

Folks who are bothered by this might try getting Tower Talk posts as 
individual emails and use their delete key!

73, Jim K9YC



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