See this link for some more info
http://lists.contesting.com/archives.../msg00393.html

"Cecil Moore" wrote in message
. com...
Michael wrote:

I had never hear of a loop antenna back in the 50s.

Loops started to come into their own with the invention
by C. C. Moore of the Cubical Quad circa 1939.
--
73, Cecil http://www.qsl.net/w5dxp