Two years ago at your annual convention in Boston, Texas Instruments presented a paper suggesting that a materials system of copper clad aluminum had significant application possibilities in the area of CATV semi-rigid trunk or distribution cables. At that time your industry had little experience, and no regular users, of this material. For that reason the paper centered on an evaluation in depth of those technical aspects of copper clad aluminum cable relevant to its suitability for CATV. It might be well to review the primary considerations of that presentation.