Jim - NN7K wrote:
Nah--

Nah?

this effect works also in the verticle plane!
and, at vhf- the effect is quite noticeable in the fades (every 40
inchs at 2 meters, and about 18 inchs on 450) has to do with the
multi path signals arriveing in phase, or out of phase (cancelling
each other)! as info-- Jim - NN7K

What you have described is constructive and destructive
interference - the same effect I described.

Cecil Moore wrote:
Perhaps there was constructive multi-path interference
on your friend's signal at the location of the lower
antenna but not at the location of the higher antenna -
or vice versa.
--
73, Cecil http://www.qsl.net/w5dxp


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