wb1_ad.jpg (12417 bytes)Wide-Band Yagi Notes,
Volumes 1 and 2
by L. B. Cebik, W4RNL
~ Plus Example 87 Antenna Modeling Files ~

L. B. Cebik, W4RNL, has compiled his past investigations into wide-band Yagis, along with new material developed expressly for these books, into a two-volume set. The first volume focuses upon the basic principles of wide-band Yagis, while the second provides a large collection of practical antenna designs.

Volume 1: Basic Principles, begins with a review of classic DL6WU wide-band VHF/UHF Yagi designs, followed by an investigation of the principles of "optimized wide-band antenna" (OWA) Yagi design. The two chapters provide insight into how wide-band Yagis achieve their bandwidth. Besides their wide-band controlled-characteristic properties, OWA Yagis also are capable of significant improvements to the suppression for forward sidelobes. The text then looks at very-wide-band (24% bandwidth) Yagi design for VHF/UHF Yagis. The final two chapters of Volume 1 are devoted to some fundamentals applicable to virtually any Yagi design, including element scaling, element diameter changes, isolated vs. through-boom element mounting, and other basic properties of practical antenna design.

Volume 2: Practical Antennas provides a potpourri of OWA and other wide-band Yagi designs on a band-by-band basis. The initial 10-meter chapter provides OWA and other wide-band Yagis designs ranging from 2 to 6 elements using a variety of techniques to cover the band. The following 6-meter chapter supplies similar coverage, but for a much wider band. For 2 meters, there is a family of OWA Yagis ranging from 6 to 12 elements, and the following chapter transports the designs to the 220-MHz band. For the 70-cm band, there are 2 chapters, the first devoted to designs that allow complete band coverage. The second chapter transports the OWA family of arrays to 70 cm, where implementations can use simple wire elements. The final chapter provides 3 practical Yagi designs for full coverage of 40 meters.

Each volume also contains a set of EZNEC-format antenna models used in the analyses within each chapter. The 2-volume set provides nearly 400 pages of text and more than 85 antenna models related to wide-band Yagi design. As he has done in previous books, Cebik has extensively illustrated each chapter with relevant graphics.

Considered an expert on antennas, L. B. has published over a dozen books, with works on antennas for both the beginner and the advanced student. Among his books are a basic tutorial in the use of NEC antenna modeling software and compilations of his many shorter pieces. His articles have appeared in virtually every amateur radio publication, with translations of some into several languages. Retired Professor from the University of Tennessee, Knoxville, LB is Technical & Educational Advisor to the ARRL.

Here is an index of the contents found in VOLUME 1

Chapter

Title

  PREFACE 6
1 The DL6WU Yagi Designs: An Appreciation 8
2 Notes on the OWA Yagi 38
3 Long-Boom Yagi Sidelobe Suppression 73
4 A Study in Wide-Band Yagi Design for 250-317 MHz 120
5 Scaling, Element Diameter & Through-Boom Mounting 156
6 Some Fundamental Factors Affecting Yagi Bandwidth 171
7 From Basic Properties to Practical Designs 192
APPENDIX: 43 Wide-Band Yagi Antenna Models 194
Other Publications 195
     

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Here is an index of the contents in VOLUME 2

Chapter

Title

  PREFACE

6

1 OWA and Wide-Band Yagis for 10 Meters 8
2 OWA and Wide-Band Yagis for 6 Meters 40
3 A Family of 2-Meter OWA Yagis for 6 to 12 Elements 64
4 The OWA Family Moves to 220 MHz 96
5 Wide-Band Utility Yagis for 420-450 MHz 110
6 The OWA Family Moves (Again) to 70 Centimeters 139
7 3 Wide-Band Yagis for 40 Meters 157
8 Putting Wide-Band & OWA Yagis Into Perspective 178
APPENDIX: 44 EZNEC Antenna Models Used in Volume 2 180
Other Publications 181
     

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We offer a special discount price for purchase of BOTH of these two companion Volumes. This is a savings of 15% off the normal purchase of each volume separately. Volumes 1 and 2 are available for shipment on CD-ROM or immediate download now.

  Volumes 1 & 2 

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