Topband: Ground Radials

[on4kj]

----- Original Message -----
From: "Donald Chester" <k4kyv at hotmail.com>
To: <topband at contesting.com>
Sent: Wednesday, November 12, 2003 1:09 AM
Subject: Re: Topband: Ground Radials


 Avoid galvanised wire at all costs.  Zinc is highly
> reactive with copper, and the resulting corrosion is apt to result in TVI
> and strange varieties of cross modulation, even if it is limited to the
> ground system.
-------------------------------------------------

Due to the non linearity of the diode formed by  corrossion of two different
metals, like zinc and copper, or alu.
High in the air on bad antennae connections this phenomea  we heard of in
the early fifties. Anecdote, corroded antennae on the east coast  produced
disturbing signals on the west coast.
( From the old Box )
Jos on4kj

------------------------------------------------
> I am speaking from painful experience.
>
> Don K4KYV
>
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