[TowerTalk] elevated radials vertical

[KF6PYF at blaze1024.com]

Al Williams wrote:
> Our club is planning to use an elevated vertical for fd 40 m.  I have been tasked to use EZNEC to determine length of the vertical and radials given a feedpoint 10' above ground.
>
> EZNEC reports good vswr with a 4" alum pipe vertical element 33.1' and radials 32.5' of #22 wire.
>
> However the elevation pattern and gain using real ground shows virtually no difference with 0,2,4, and 8 radials. The source impedance jumps from highly reactive with no radials to 50 ohms mostly resistive using two radials and lowers a bit using 4 and 8 radials.
>
> The pattern and gain being nearly identical no matter how many radials are use (including none) has me wondering if I have something wrong in my model?
>
> All comments appreciated, please.
>
> k7puc
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I think you are confusing buried radials with elevated radials. The only 
time you start seeing a drastic change when adding lots of radials is 
with ground mounted verticals utilizing buried radials. With elevated 
radials about two per band seems to work just fine