Hardy,
the a nice link with lots of ideas is on the page from DL2TO. Its in
writen in german, but the pictures
speak for itself:
*http://www.dl2lto.de/sc/HB_HL_bau.htm
*55 de Lup, DJ7SW
Am 01.05.2014 15:12, schrieb Hardy Landskov:
I've used window line for many years and it is a maintenance
hassle. The heat and UV here in AZ just eats the stuff up where it
has to be replaced every 5 years or so, and I do twist the line.
The last wind storm we had ripped the line right out of the DXE
black plastic insulators which are not all that good either.
So I am looking with keen interest at all these homebrew
open-wire-line construction techniques.
YMMV.
73 Hardy N7RT
----- Original Message ----- From: "Mike Waters" <mikewate@gmail.com>
To: "Jim Garland" <4cx250b@miamioh.edu>
Cc: "topband" <Topband@contesting.com>
Sent: Wednesday, April 30, 2014 7:39 PM
Subject: Re: Topband: Beverage wire question
Jim,
On Wed, Apr 30, 2014 at 10:41 AM, Jim Garland
<4cx250b@miamioh.edu> wrote:
I've been using 450 ohm ladder line ... and the ladder line
requires
constant maintenance.
I've heard that twisting that line solves the breakage issues.
You need
many twists in the entire length of the line.
I want to replace it with parallel wires, which run through ceramic
feedthrough insulators
And, I've heard that running wire through ceramic insulators like
that will
eventually abrade the wire. Holes in ceramic insulators are
usually quite
rough.
I have no experience with either of the above. Here, we use plastic
electric fence and homebrew plastic insulators; and the wire
drops into a
slot instead of having to string it through a hole. Works for me.
I think there's some photos at
http://www.w0btu.com/Beverage_antennas.html .
73, Mike
www.w0btu.com
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