Reg Edwards wrote:
Smith Charts went out of date wth slide rules and log tables with the advent
of the pocket calculator.

An abstract math equation will get one the answer but not necessarily
illustrate what is happening in reality. We see the results of that here
on this newsgroup. The appeal of the Smith Chart is that it gives one
a graphic conceptual grasp of reality while using those same equations
to solve the problem. A picture *is* worth a thousand words. We can
see the (Vfor+Vref)/(Ifor/Iref) impedance displayed right there on
the SWR circle.
--
73, Cecil http://www.qsl.net/w5dxp


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