On Dec 11, 10:48 pm, Cecil Moore wrote:
Keith Dysart wrote:
Open circuit 46.6 degrees of 600 ohm line attached
to 80 degrees of 100 ohm line. The drive point impedance
will be 0 ohms. And the impedance at the junction will
be the same -j567. Using your arithmetic, there is
90-46.6-80 - -36.6 degrees of phase shift at the
junction. The physical length is 126.6 degrees
while the system is 90 "electrical degrees".

Yes

So this means I could take an antenna element
which is longer than 90 physical degrees, i.e.
greater than 1/4WL, and with the appropriate
matching network make a system that was
90 "electrical degrees".

I detect progress on the definition.

....Keith