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Jim Kelley wrote:
So I guess that ups the total now to at least two that we know of. Just exactly how many different kinds of alternating current do you reckon there are, Cecil? :-) The point is that the current in a pure standing wave has a different equation from the current in a pure traveling wave. Any fields and waves reference book will have those equations. The current in a pure standing wave cannot be used to measure any kind of phase shift between points because the phase doesn't shift between points on a wire or on a coil. The current in a standing-wave antenna, like a loaded mobile antenna, is primarily standing wave current. Why do you think they are called standing wave antennas? -- 73, Cecil, IEEE, OOTC, http://www.w5dxp.com |
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