[TowerTalk] RF Ground is not a Myth

[Steve Maki]

On 1/23/2015 9:15 PM, Jim Brown wrote:

>> Can't one specify a perfect ground (even though impossible in the real
>> world) when modeling antennas? Is that not a useful exercise as an
>> educational tool?

> The only good reason for *assuming* homogenous (uniform) earth is that it
> makes the math simple enough that we can write the equations and solve
> them on computers that we can afford to have on our desks, and within a
> reasonable length of time.

I find it helpful to solve the extreme limit cases in both directions 
and a few points in between to get an idea of the shape of the curve.

-Steve K8LX