JGBOYLES wrote:
If the stub presents an infinite impedance, with no external influences,
removing it should have no effect.

Exactly! Therefore, the infinite impedance at the mouth of a stub
is a virtual impedance, not a physical impedance. The physical
impedance exists at the end of the stub where all the reflections
are taking place. Reflections occur only at a physical impedance
discontinuity.
--
73, Cecil http://www.qsl.net/w5dxp



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