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A most unique one of a kind book ! If you want to know about vertical antennas and how they work, this is required reading. If you are a Amateur Radio Operator and are interested in verticals for 160m, 80m and 40m, especially those directional arrays for working DX, this book will give you the basics you need to know how the experts do it. This books explains the secrets the others don't ! And it is based on proven engineering methods, the same methods and requirements that the FCC holds broadcasters to. Add this valuable text to your library while you can!
Without a doubt, AM directional antenna systems are probably one of the most misunderstood pieces of equipment in a radio station. Many who are masters at manipulating computers and dealing competently with other aspects of the state-of-the-art radio station keep an arms length when it comes to a DA system.
This is a "how to" book. Mathematics are kept to a minimum.
The pages are intended to give chief engineers, technical directors and technically minded owners a window into the inner workings of these systems. They have been written in a manner that is easy to understand taking the reader on a journey from basic concepts to finished project. It assumes the reader knows little about the subject. For those with some experience under their belts it hopefully will serve as a reference book on the "how tos" of tasks not performs on a daily basis.
To start, the first chapter covers the basics of the vertical antenna system. Directional Antenna systems are made up of two or more vertical radiators. It is essential that the reader have a good working knowledge of the single vertical element before they attempt to understand how it fits into a more complex system. The concepts of ground conductivity, measured field strength and inverse field strength are covered.
Chapter two incorporates the single vertical element into the more complex directional antenna system. Mutual impedance, driving point impedance, phase and the addition and subtraction of RF signals are covered in a manner that is easy to grasp and understand.
Chapters three, four and five take the reader by the hand and guides them through the construction, adjustment and proof of performance measurements of two pattern directional antenna system. The intricacies of measuring driving point impedances and converting measured field strength to inverse field strength in their entirity.
Chapter six contains a wealth of preventative and corrective maintenance tips. It also contains detailed information in hanging other antennas on a DA radiator and making the required proof of performance measurements.
Chapter One - Understanding the Vertical Antenna
Chapter Two - Understanding the Directional Antenna System
Chapter Three - Building the Directional Antenna System
Chapter Four - The Non-Directional Proof of Performance
Chapter Five - Producing and Measuring the Directional Antenna Pattern
Chapter Six - Directional Antenna Maintenance
Appendix
Jack Layton is the owner of Layton Technical Services, a Pittsburgh, Pennsylvania area based company that engages in the sale and installation of radio broadcasting equipment. He also specializes in services to broadcasters including directional antenna field work. Mr. Layton is a regular contributor of technical articles to the Radio World newspaper and is the author of Directional Broadcast Antenna: A guide to adjustment, Measurement and Testing, TAB Books 1974. He has been employed in the radio broadcast industry for the past 40 years. He is the former chief engineer of WVON & WGCI, Chicago,WIND, Chicago, and KDKA, Pittsburgh. He is active on the amateur radio bands as W9UK. He holds an Amateur Extra Class License.
The text book is black plastic spiral bound and lays flat for reading. It is like a tutorial or seminar in design and runs a big 177 pages in all. Loads of diagrams and drawings, every page a treasure of information. Sized about 8 1/2 x 11.
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