Slick:

[snip]
Correction: rho = (Z - conj(R))/(Z + (R)), the conjugate being
only in the denominator.

Slick
[snip]

Well here we have to part company.

Not using the same "thing" in both numerator and denominator *is* being
inconsistent!

See my algebraic development in another posting on this thread.

--
Peter K1PO
Indialantic By-the-Sea, FL.