I think this one deserves a winner of the Al hardline question award. I
thought of buying hose and doing the same thing but Steve's answer is
even better. Thanks Steve!
Jay, WX0B
Steve Vinson wrote:
>
> Scott Detloff, K8DX wrote:
> >
> > At 08:24 AM 4/21/97 -0500, you wrote:
> > >Heres on for the experts here,
> > >
> > >I am intending to use some AL 1/2 inch hardline. The problem is that it
> > >doesn't have a jacket. Just bare Al. I suspect that it would be bad
> > >form to thread this up the tower against the galvanized steel. What
> > >solutions have any of you found to work around this problem.
> > >
> > >Jay, WX0B
> >
> Hi Jay,
>
> It appears that you have and realize that you have 75 ohm CATV
> hardline. It will work well with certain modifications.
>
> I have a very good friend who showed me a neat trick to installing CATV
> or commercial 50 ohm hardline. If you use hose clamps you run the risk
> of crushing the outer jacket. That can alter the resistance of the
> hardline and drive up the SWR. He uses PVC water pipe and cuts it in 3"
> to 4" pieces. You can then slit one side of the pipe and slip it over
> the hardline. You may want to slit it all the way thru (both sides)
> prior to cutting in 3" to 4" pieces. This makes it easier to install
> and/or it fits odd size hardline easier. You can then either attach
> with hose clamps or other fasteners to the tower. This protects the
> cable from mismatched metals, or from creating noisy connections when
> corrosion occurs between the hardline and tower. It protects the
> hardline from damage, it makes a better grip, and it's CHEAP!!! Lots of
> luck.
> Steve
> KD4WIW
>
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--
+---------------------+-----------------------------------------------+
| | Jay Terleski |
| /\ | Director Sales, Central Region |
| /\/ \ | |
| /\ / \ \ | Summit Design, Inc. Phn:(972) 203 2008 |
| / \ \ \ | 350 Gloria Rd. FAX:(972) 203 8811 |
| SUMMIT DESIGN-TSSI | Sunnyvale, TX 75182 Email:jayt@sd.com |
+---------------------+-----------------------------------------------+
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FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
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