[TowerTalk] ant model gain

[Terry Conboy]

At 07:43 AM 2008-06-02, Al Williams wrote:
>Is the gain reported in antenna models a gain of: E (electric 
>field), I (magnetic field), or W(watts-W=EI)?

Normally, the gain is for the far-field pattern, where E/H = 377 
ohms, so the field patterns and the resulting gains are essentially identical.

>Also, Is the S meter in receivers in E (S9=50 microvolts) still in E 
>when the scale switches to  x DB over S9?

Contrary to popular imagination, there is only one kind of decibel, 
not one for V (and I), and another for P.

73, Terry N6RY