[CQ-Contest] Coax cable, unknown value

Milt Jensen, N5IA miltj at aepnet.com
Mon Apr 6 20:06:02 EDT 1998


Hello all,
        I have a quantity of coaxial cable for which I need information
regarding impedance and velocity factor values.  It is supposedly of
telephone company origin.  Replies direct please.

        The cable is slightly larger than RG8 and RG6, but smaller than
RG8.  It has double braided shield and the center conductor is a single
solid copper strand the approximate diameter of the center conductor of
RG59.  The ratio of inner to outer conductor size and spacing suggests the
impedance is in the 100 Ohm region.  It has a black PVC covering, and has
TNC type connectors with a center pin of appropriate size


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