I searched and it seems copper is the standard. I haven't checked the cable I am using in a while, but I distinctly remember the instrucor at my first SBCA class say that we (at that time Radio Shack installs) use a i think 20% copper 80% zinc. The same goes for PrimeStar dual underground cable. Not sure about the P* indoor dual.
Re: Problems with H20 signal strength
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