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Old April 27th 06, 09:31 PM posted to rec.radio.amateur.antenna
Dave
 
Posts: n/a
Default Multi hopping radio waves

Roy Lewallen wrote:

Reg Edwards wrote:

The amplitude and phase of a field after ground reflection depends


on

the polarization, and is quite different for horizontal and


vertical. It

of course also depends on ground conductivity and permittivity,
frequency, and angle. The equations are simple, and can be found in
Kraus and other references. Those equations are used by NEC for
determination of the far field pattern.

Roy Lewallen, W7EL



===========================================

Yes! But what's the ball park, rule-of-thumb value in dB ?
----
Reg



I dunno. What's the ball park, rule-of-thumb value of a resistor in ohms?


Sumptin tween nuttin and everthin

Roy Lewallen, W7EL