Jim Kelley wrote:
Accordingly, the fraction of energy that changes direction at a physical
discontinuity is dictated by the physical constants of the physical
discontinuity; index of refraction in the case of optics; impedance in
the case of transmission lines.

Yes, all explained in my energy analysis article.
Personally, I wish whoever introduced virtual
reflection coefficients had not done so.
--
73, Cecil http://www.w5dxp.com