"Wayne" wrote in
news:0CYQh.11100$P84.5052@trnddc07:

OK, I used to be able to do this years ago, but I can't seem to find
the right references now.

If an antenna reflection coefficient is measured at, for example.
0.333 at -100 degrees, how is Z calculated? I think I can do this
with a smith chart, but the result does not match my attempted
calculations.

TIA
Wayne



The expression for Gamma that springs to mind is (Zl-Zo)/(Zl+Zo).

Rearranging the terms gives Zl=-Zo(Gamma+1)/(Gamma-1) doesn't it?

Owen