Tom Donaly wrote:
(P.S. Where did you learn about "dual Z0" stubs?)

While I was figuring out why Roy's "measurements"
were very accurate but virtually meaningless.

In an ideal stub, the current doesn't change phase
from end to end. An antenna is more like an ideal
stub than most people realize.
--
73, Cecil, IEEE, OOTC, http://www.w5dxp.com