[Elecraft] EFHW

[Wes Stewart]

Alas, if only this was true.

Google "radial system design and efficiency in hf verticals" and you should get 
a cached version of Rudy Severns' paper of the same name.  In it he states:

"Alternately we can graph efficiency in terms of Ga as shown in figures 3 and 4. 
Unfortunately this also shows how inefficient verticals are even over very good 
ground. Very depressing! For example, with very good soil (0.02/30) and 128 
1/2-wave radials, the efficiency of a 1/4-wave vertical is still only -2.76 dB 
(53%)!"

Wes  N7WS

On 2/11/2017 10:53 PM, Rick Dettinger wrote:
> It doesn’t take much effort to get to 50% efficient with a quarter wave or longer wire, and a few short radials.