To: <towertalk@contesting.com>
> Date: Mon, 01 Jun 1998 12:32:36 -0700
> From: Fred Roberts <froberts@pe.net>
> Tom-
>
> I have heard others comment about stacked beams, noting the upper one is
> noisier. I wonder if this effect is simply static discharge as from a
> spike used for lightning protection. That is, does an antenna always
> suffer higher noise than when protected by a "spike" mounted above it?
Hi Fred,
No, my antenna suffered LESS noise when the spike was added. I think
the electric field gradient at the 20 meter antenna element tips
became less, because it was no longer the tallest point on the
tower.
73, Tom W8JI
w8ji.tom@MCIONE.com
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