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[TowerTalk] Coax Rating

To: <towertalk@contesting.com>
Subject: [TowerTalk] Coax Rating
From: n4zr@contesting.com (Pete Smith)
Date: Thu, 01 Mar 2001 09:16:13 -0500
At 02:57 PM 3/1/01 +0100, I4JMY wrote:
>The reason why an RG8X insn't raccomandable at high power levels is 
>because of a shield that's made of a thin aluminum Foil-Polyester Tape-
>Aluminum Foil and only very few thin copper wires as braid shield.
>The foam dielectric hasn't significant losses and a foam cable of the 
>same size of an RG8X, but with a classic copper braid or a more 
>consistent foil (aluminium or copper), would safely withstand much more 
>than US legal power at 7 MHz, and roughly twice the power of an RG58 
>expecially at 30 MHz and above.

I dunno, Mauri.  I use RG-8X type for all of the jumpers in my shack.  A
lot of what I use has a copper braid and no foil at all.  I'm not on 160
with high power, so I'm not worried about power induced failures.

73, Pete N4ZR
Contesting is!

The World Contest Station Database 
is waiting for your input at
http://www.qsl.net/n4zr 



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