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#11
December 24th 07, 04:38 AM
posted to rec.radio.amateur.antenna
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Standing-Wave Current vs Traveling-Wave Current
Roger wrote:
Haste makes waste, and errors as well. The standing wave power equation is incorrect. It should read "Power = V^2 / Zo + I^2 * Zo" I'm afraid you will find that those are the equations for power associated with a traveling wave. Actually should be Power = V^2/Z0 = I^2*A0. There is no net power transfer associated with a standing wave. For a pure standing wave, V*I*cos(A) = 0 watts. -- 73, Cecil http://www.w5dxp.com |
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