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National Association of Broadcasters Engineering Handbook, 11th Edition by Garrison C. Cavell

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Chapter7.9

Antenna Coupling and Phasing Systems

Tom King

Kintronic Laboratories, Inc.

Bobby Cox, PhDEE

Kintronic Laboratories, Inc.

James Moser

Kintronic Laboratories, Inc.

Foreword

The techniques used to design the AM passive RF networks that are required to yield maximum power transfer over a maximally flat channel bandwidth between the transmitter and the antenna have matured to a more refined degree as a result of the widespread adoption of Method of Moments (MOM) modeling for towers and their feed configurations, the development of state-of-the-art network topology computer software tools, such as SPICE,1 and the adoption of the MOM methodology using Numerical Electromagnetics Code (NEC),2 Mini-NEC and other similar computer programs for ...

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