christofire wrote:
I'd be willing to bet, say, 100 UK pounds that Professor Unwin can't create
an antenna in hardware that radiates isotropically, ...

For those types of proof, it is impossible to prove a
negative. It would be akin to the police knocking
on your door and demanding that you prove that you
are not a terrorist. The onus of logical proof is
upon the one who makes the positive assertion.
--
73, Cecil, IEEE, OOTC, http://www.w5dxp.com