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Yuri,
It seems to me that when "W8JI" is associated with something, you assume immediately that it is wrong. If you were to read Ronold W. P. King's explanation about small loop antennas in "Transmission Lines, Antennas and Waveguides", would you be any more apt to believe it? How about Glenn S. Smith's discussion of them in Johnson and Jasik's "Antenna Engineering Handbook" (second edition)? Each of those begins with a reasonably detailed description of an "unshielded" loop and moves on to a "shielded" loop. In addition, can you expain to us how the current on the wires on the inside of the shield is NOT balanced by an equal current in the opposite direction on the inside surface of the shield? Please tell us in detail just what currents are where on the shielded loop. If you are going to try to tell us that some explanation is in error, please provide us with enough detail that we can make up our own minds. So far, all I've seen here is some vague reference to confusion about shields. The descriptions in each of the two references I gave above are far more detailed than what you have posted here, either of your own or of W8JI's, and I find them both enlightening--they are slightly different from each other--but both detailed enough that you can make up your own mind about what's really going on, and not have to read ranting generalities or statements with nothing to back them up. Cheers, Tom |
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