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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Copper\s+clad\s+telephone\s+wire\s*$/: 7 ]

Total 7 documents matching your query.

1. [TowerTalk] Copper clad telephone wire (score: 1)
Author: "Gary Schafer" <garyschafer@largeriver.net>
Date: Fri, 8 Aug 2014 15:54:56 -0500
I have lots of old copper clad telephone wire that I want to use for radials and antenna wire. This is the stuff that is bare and went from pole to pole for old telephone lines. It is not the insulat
/archives//html/Towertalk/2014-08/msg00204.html (6,884 bytes)

2. Re: [TowerTalk] Copper clad telephone wire (score: 1)
Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
Date: Fri, 08 Aug 2014 17:07:05 -0400
I had miles of the stuff from when they took the old line out only it had no copper coating. It was strong enough to use for guys on the poles. The poles were good for nothing but fire wood. In the e
/archives//html/Towertalk/2014-08/msg00205.html (9,285 bytes)

3. Re: [TowerTalk] Copper clad telephone wire (score: 1)
Author: "Dave Hachadorian" <k6ll.dave@gmail.com>
Date: Fri, 8 Aug 2014 14:11:04 -0700
Maybe when you cut it, the copper mashed down so you couldn't see the steel core. Try scraping off the copper with a knife. Measure the diameter before and after with a micrometer or even a machinist
/archives//html/Towertalk/2014-08/msg00206.html (9,103 bytes)

4. Re: [TowerTalk] Copper clad telephone wire (score: 1)
Author: Kevin Kidd <kkbroadcastengineering@gmail.com>
Date: Fri, 8 Aug 2014 16:38:07 -0500
You are absolutely correct. Cutting copper clad wire with shears "smears" the copper down the steel. Cut it normally and then take a file or fine grinding wheel and grind it down flat. You should see
/archives//html/Towertalk/2014-08/msg00207.html (8,188 bytes)

5. Re: [TowerTalk] Copper clad telephone wire (score: 1)
Author: "Gary Schafer" <garyschafer@largeriver.net>
Date: Fri, 8 Aug 2014 18:35:00 -0500
Well, the copper thickness does make a difference at low HF frequencies as RF penetrates deeper than it does at higher frequencies and can get down to the steel and losses go up. A very thin copper c
/archives//html/Towertalk/2014-08/msg00211.html (10,246 bytes)

6. Re: [TowerTalk] Copper clad telephone wire (score: 1)
Author: Patrick Greenlee <patrick_g@windstream.net>
Date: Sat, 09 Aug 2014 14:48:39 -0500
There is an exponential extinction coefficient that governs penetration of RF currents below the surface of conductors. Lower freq means greater depth of penetration or in other words how thick is th
/archives//html/Towertalk/2014-08/msg00219.html (9,769 bytes)

7. Re: [TowerTalk] Copper clad telephone wire (score: 1)
Author: Donald Chester <k4kyv@hotmail.com>
Date: Sat, 9 Aug 2014 22:56:06 +0000
The copper clad stuff was probably used for railway telegraph lines. Ordinary open-wire telephone lines used galvanised steel, and in most cases by the time the lines were taken down, the zinc coatin
/archives//html/Towertalk/2014-08/msg00220.html (12,129 bytes)


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