[TenTec] 160 M antenna

[Steve Hunt]

Actually, Rrad is less that of the 0.075 wavelength vertical section 
because you've ignored the opposing currents in the radial "hat" wires.

With 16 buried radials - averaging 30ft to 40ft long - the efficiency 
came out at 70%.

Steve G3TXQ



On 09/11/2013 16:24, Jim Brown wrote:
> While your design certainly has merit, radiation resistance is still 
> small -- it's that of the 0.075 wavelength vertical section. 
> Electrically short verticals are thus extremely dependent on excellent 
> radial systems.
>