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In article , Roy Lewallen
wrote: The problems you're encountering are the result of trying to oversimplify electromagnetic theory by reducing it to conceptual models which are far from adequate. Your basic conceptual models are faulty, so any conclusions you draw from using these models will eventually lead to contradictions. That same problem has, in fact, been the cause of a huge number of argumentative postings on this newsgroup. snip Well stated, Roy. I suspect the majority of hams are not degreed EEs that have delved into elementary electromagnetic theory (It was the least popular EE course when I was an undergrad.) Of course you don't need an in-depth understanding to get on the air. The problem, as you point out, arises when folks start going beyond the "practical" and hobby aspects (e.g. beyond the scope of the ARRL handbooks) by providing explanations of phenomena that are not supported by electromagnetic theory as embodied in Maxell's equations. Then there's a university EE professor who should know the theory and ends up supporting misguided concepts like the crossed-field antenna (CFA). Sincerely, and 73s from N4GGO, John Wood (Code 5550) e-mail: Naval Research Laboratory 4555 Overlook Avenue, SW Washington, DC 20375-5337 |
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