Cecil Moore wrote:

Jim Kelley wrote:

... what does that have to do with "coherently summing all the rays by
rotating the antenna"? Just wondering.


"Coherently summing" certainly doesn't imply that interference
is only constructive. An antenna is "coherently summing" all
the rays it receives no matter what direction it is pointed.

And still, rotating the antenna has nothing to do with summing the
signals - coherently, or otherwise. Agreed?

ac6xg