Roy Lewallen wrote:
Sure, you can do anything you like. But can you tell the boxes apart by
measuring at just one frequency (the one at which their impedances are
the same)? Do they have the same or different numbers of "electrical
degrees" at that frequency?

I'll do you one better with one more unreasonable condition.
Let's see you do it without applying any source power.
--
73, Cecil http://www.w5dxp.com