Topband: Switch for 160 meter antenna

[Marc Wullaert]

why dont build a coaxial trap per the book LOW BAND DXING from on4un
p-9-63.
I used this for a couple of years and worked great.

on4ma marc
----- Original Message -----
From: "Ken" <k3yi at comcast.net>
To: "Topband" <topband at contesting.com>
Sent: Sunday, July 18, 2004 7:40 PM
Subject: Topband: Switch for 160 meter antenna


> Hello,
>
> I am building a 160 meter vertical antenna, and perhaps incorporate a 80
> meter antenna within the same structure.
>
> I would like to switch out a top section of the of the antenna by means of
a
> switch to break a connection leading to the rest of the above antenna
> circuit.
>
> I could easily do this with a relay, but I don't want to rely on any coil
> failures either due to voltages drop out or weakness of the coil of the
> relay.
>
> What I would like to fine if possible, a type of wiper or knife like
switch
> that can be activated by a servo or similar type mechanical devise.
>
> Does anyone know of such a switch, and where to fine it?
>
> Thank you,
> Ken
> K3YI
>
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