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[TowerTalk] 402-CD vs. EF-240X

To: <>
Subject: [TowerTalk] 402-CD vs. EF-240X
From: (Tom Rauch)
Date: Tue, 02 Jun 1998 04:58:51 +0000
To: <>
> Date:          Mon, 01 Jun 1998 12:32:36 -0700
> From:          Fred Roberts <>

> 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 

73, Tom W8JI

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