On May 21, 3:55*am, Roy Lewallen wrote:

So what should we expect the gain of a very short dipole
to be if we could make one with no (resistive) loss?

An "infinitesimal," center-fed, linear dipole has a peak directivity/
gain of 1.5, or 1.76 dBi. Getting any r-f energy to flow on it takes
some real heroics, though.

RF