K1TTT has nailed it! Effecting a null that is deep enough to produce
something useful is difficult. In any case, the patent examiners will find
that the telephone people did something like this a long time ago. 73, Mac
N8TT

"K1TTT" wrote in message
...

On Feb 17, 4:26 am, tom wrote:
http://www.theregister.co.uk/2011/02...radio_signals/

tom
K0TAR

perfectly logical and will probably result in a great patent... the
success in implementing it outside a well controlled lab environment
may be a problem though.


J. C. Mc Laughlin
Michigan U.S.A.
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