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Roy Lewallen wrote:
Now if we could just get a certain individual to either stay on the rotor or the stator and not keep jumping back and forth without telling anyone or even realizing it himself. . . I apologize for any confusion I may have created. All of my phasors are referenced to the feedpoint current at zero degrees, which is what EZNEC does. If the feedpoint forward current is at zero degrees, the forward current 45 degrees away will lag by 45 deg. The reflected current 45 degrees away will lead by 45 deg. The forward current 90 degrees away will lag by 90 deg. The reflected current 90 degrees away will lead by 90 deg. Thus the forward current and reflected current phasors are rotating compared to the feedpoint reference. The standing wave current phase, referenced to the feedpoint phase, changes hardly at all. The standing wave current phase is essentially the same all up and down the dipole. The standing wave current phase is essentially the same at the bottom and top of a loading coil. The standing wave current phase is essentially unrelated to the position on the antenna or loading coil. Standing wave current cannot be used to determine the phase shift through a loading coil. -- 73, Cecil http://www.w5dxp.com |
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