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Antenna earth stakes - a tricky one!
Stefan Wolfe wrote:
"The best earth ground is obtained by creating 180 1/4 wavelength radials from the base of the vertical element". Adequate but likely overkill. This was all settled in 1937 by RCA`s Brown, Lewis, and Epstein. See Fig. 2.19 on page 120 of Ed Laport`s "Radio Antenna Engineering". Best regards, Richard Harrison, KB5WZI |
Antenna earth stakes - a tricky one!
Stefan Wolfe wrote:
Yes, radials simulate a true earth ground by empirical test. They are an excellent counterpoise...the best. But by definition, they are not earth ground. That's interesting. What's a "true earth ground"? What are its properties? How could you connect an antenna to it? Roy Lewallen, W7EL |
Antenna earth stakes - a tricky one!
Stefan Wolfe wrote: "Roy Lewallen" wrote in message ... Stefan Wolfe wrote: Yes, radials simulate a true earth ground by empirical test. They are an excellent counterpoise...the best. But by definition, they are not earth ground. That's interesting. What's a "true earth ground"? It is the reference point to which all electromagnetic phenomena on Earth is at zero potential. What are its properties? A magnitude of zero. How could you connect an antenna to it? With a conductive material. Thanks. I see it's time for me to leave this discussion. Roy Lewallen, W7EL |
Antenna earth stakes - a tricky one!
On Sat, 27 Oct 2007 00:10:55 -0400, Stefan Wolfe wrote:
"Roy Lewallen" wrote in message ... [snippy] Thanks. I see it's time for me to leave this discussion. Sorry if the material discussed herein has exceeded the scope of a US Extra Class license holder's electronics background. LMAO. |
Antenna earth stakes - a tricky one!
Stefan Wolfe wrote:
"Roy Lewallen" wrote in message ... Stefan Wolfe wrote: Yes, radials simulate a true earth ground by empirical test. They are an excellent counterpoise...the best. But by definition, they are not earth ground. That's interesting. What's a "true earth ground"? It is the reference point to which all electromagnetic phenomena on Earth is at zero potential. What are its properties? A magnitude of zero. How could you connect an antenna to it? With a conductive material. Just where is this wonderful place? If I were to guess, I'd say it'd have to be in Texas. 73, Tom Donaly, KA6RUH |
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