[Qcwa] Mounting dipole in attic

[Bob Wilder]

Staples would be OK as the wood is dry and there should be little loss.

Outdoors it will be a different matter, as the wood will get wet and
could cause you some SWR problems which the tuner should take out.

I have used the loop idea outside before and it does work.  The only problem
is the height above ground of the antenna.

I currently use an antenna outside fed with 450 ohm ladder line.  In the
mornings, with heavy dew, I have to tune out the SWR as the ladder line is
laying on the roof.  Also when it is raining, the SWR keeps changing because
of the water on the ladder line.

Hope this helps




At 04:23 PM 10/7/2002 -0400, you wrote:

>I just mounted my first HF antenna in the attic...a dipole.  I've run
>ladder line to my tuner and have the antenna, which is 18 gauge stranded
>insulated wire, "hanging" using TV twinlead standoffs screwed into the
>trusses.  Each leg is approximately 70' long and the antenna is bent in
>order to fit it in.
>
>My question is the mounting procedure.  Since this antenna's orientation
>is east-west, I'm thinking of putting another up north-south.  Could the
>wire, since it is insulated, be stapled up to the roof trusses?
>Installation would go much quicker and easier since the north-south
>antenna would have to be bent back a forth a couple of times to get the
>length up there.  I'm assuming it would not be a problem as I understand
>you could just lay a wire antenna right on the roof shingles if
>necessary.
>
>The other possibility is running a loop around the entire attic or the
>eaves outside.  Stapling would be so much quicker and easier.
>
>Keith, KF4BXT
>
>
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Bob Wilder, AF2HD/AFA2HD
6032 Idlemoore Court
Theodore, AL 36582-4117
251-653-5274
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