Richard Harrison wrote:
If Cecil were asked where a reflection occurs on an antenna or a
transmission line, I`d wager he would reply, at the same place the
impedance discontinuity occurs.

Yep, and if one impedance is infinite (or zero or purely
reactive), the magnitude of the reflection coefficient
is |1.0|, i.e. 100% reflection.
--
73, Cecil http://www.w5dxp.com