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Current across the antenna loading coil - from scratch
Tom Donaly wrote:
Has it ever occurred to you, Cecil, that a half wave dipole with equal current and voltage waves traveling in opposite directions wouldn't accept power? It is an approximation, Tom, like a lossless line. For real world dipoles, the voltage and current decay by about 10% between the forward wave and the arrival of the reflected wave. Kraus and Terman both use that approximation in their examples. We aren't saying anything about the traveling wave part of the waves. The discussion is about the standing wave portion of the wave which, by definition, requires equal magnitudes. -- 73, Cecil http://www.qsl.net/w5dxp |
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