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[TowerTalk] Coax Rating

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Subject: [TowerTalk] Coax Rating
From: (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
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