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Topband: 1/4 wave 160M wire antenna

To: topband <topband@contesting.com>
Subject: Topband: 1/4 wave 160M wire antenna
From: Radio KH6O <radio.kh6o@gmail.com>
Date: Thu, 18 Dec 2025 07:35:55 -0800
List-post: <mailto:topband@contesting.com>
Colleagues,

I have an 80 acre ranch consisting of mountains and canyons. I'm developing
one location: Rivera Canyon (34.75073, -118.55116). I've had a one-trip
20ft shipping container brought in, modified with windows and a residential
door.* This will be the radio shack.

This canyon is surrounded by steep mountains on each side. For 160M, I
intend to use a 130ft wire attached to a pine tree growing on the side of a
mountain; the angle of inclination will be about 45 degrees. The shipping
container itself will be the counterpoise/ground -- its surface area is
about 700 sq. ft. Grounding rods will be driven in at each corner.

With this in mind, should I also extend radial wires from the container or
will the 700 sq.ft. of surface area be sufficient?

*  A one-trip container is used for one ocean trip, then sold; it's free of
rust and all pieces are welded together. Base price for a 20 footer is
$2800:  https://www.containeralliance.com/

--
73,
Jeff KH6O / 6

NNNN
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