Your Complete Guide to Antenna Theory The second edition of Antenna An Introduction is thoroughly updated and includes new material to help you better understand the complexities of antenna theory. World-recognized antenna technology expert Robert J. Zavrel, Jr., W7SX, is your guide to grasping a deeper understanding of how antenna systems function. In this book, he clearly communicates the theory and the mathematics that form the foundations upon which all antenna designs depend. Although competence with mathematics is necessary to get the most from this book, Antenna An Introduction offers knowledge that will help anyone create their own antenna designs.