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Re: Topband: Fw: WD-1 Wire impedance

To: HAROLD SMITH JR <w0rihps@sbcglobal.net>, "topband@contesting.com" <topband@contesting.com>
Subject: Re: Topband: Fw: WD-1 Wire impedance
From: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Mon, 10 Oct 2016 13:41:08 -0700
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Hi Herb and all,
When I was in the Army, 1958 to 1960,, I was a "Field Communications Crewman". 
It meant, I helped string telephone wire.
We used what was called WD-1TT. It was two separate conductors. They were 
twisted, not molded together. Each conductor was made of 3 steel wires and 4 
copper wires making a 7 strand conductor. It might have been 4 steel and 3 
copper.
I have never found listings for WD-1TT on eBay. We spliced it by stripping 
about 10 inches from each conductor and tying a square knot and twisting the 
loose end on the conductor and covering with friction tape and then Scotch 
electrical tape. We could run 3 telephone circuits on 2 wires and ground with 
isolation transformers.
Regards...Price  W0RI

With steel being very lossy AND magnetic AND frequency
dependent, the characteristic impedance of this
stuff is likely to be complex and frequency varying.
I don't see how it would ever work well for a
reversible beverage.

Rick N6RK
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