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Jeff wrote:
The chart does not necessarily be normalized to the impedance of a transmission line that you are trying add, otherwise you would never be able to include a series line of an impedance other than that of the chart in a matching network. The point is that it is best to use one Smith Chart for each Z0. Trying to plot multiple Z0's on the same chart leads to the present confusion. The fact that a piece of transmission line with an SWR1 transforms impedances is NOT proof that the SWR is changing. It is *only* proof the the impedance is changing and that happens with constant SWR. -- 73, Cecil, http://www.qsl.net/w5dxp |
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