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Practical Antenna Handbook PDF

625 Pages·2007·9.95 MB·English
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1376860_FM_Carr 4/10/01 4:57 PM Page i Practical Antenna Handbook 1376860_FM_Carr 4/10/01 4:57 PM Page ii Other Books by Joseph J. Carr DC Power Supplies Old Time Radios! Restoration and Repair Secrets of RF Circuit Design 1376860_FM_Carr 4/10/01 4:57 PM Page iii Practical Antenna Handbook Fourth Edition Joseph J. Carr McGraw-Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright 2001 by The McGraw-Hill Companies, Inc. All rights reserved. Manufactured in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 0-07-138931-8 The material in this eBook also appears in the print version of this title: 0-07-137435-3. All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the benefit of the trademark owner, with no intention of infringement of the trademark. Where such designations appear in this book, they have been printed with initial caps. McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. For more information, please contact George Hoare, Special Sales, at [email protected] or (212) 904-4069. TERMS OF USE This is a copyrighted work and The McGraw-Hill Companies, Inc. ((cid:147)McGraw-Hill(cid:148)) and its licensors reserve all rights in and to the work. Use of this work is subject to these terms. Except as permitted under the Copyright Act of 1976 and the right to store and retrieve one copy of the work, you may not decompile, disassemble, reverse engineer, reproduce, modify, create derivative works based upon, transmit, distribute, disseminate, sell, publish or sublicense the work or any part of it without McGraw-Hills prior consent. You may use the work for your own noncommercial and personal use; any other use of the work is strictly prohibited. Your right to use the work may be terminated if you fail to comply with these terms. THE WORK IS PROVIDED (cid:147)AS IS.(cid:148) McGRAW-HILL AND ITS LICENSORS MAKE NO GUARANTEES OR WARRANTIES AS TO THE ACCURACY, ADEQUACY OR COMPLETENESS OF OR RESULTS TO BE OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMATION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE, AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. McGraw-Hill and its licensors do not warrant or guarantee that the functions contained in the work will meet your requirements or that its operation will be uninterrupted or error free. Neither McGraw- Hill nor its licensors shall be liable to you or anyone else for any inaccuracy, error or omission, regardless of cause, in the work or for any damages resulting therefrom. McGraw-Hill has no responsibility for the content of any information accessed through the work. Under no circumstances shall McGraw-Hill and/or its licensors be liable for any indirect, incidental, special, punitive, consequential or similar damages that result from the use of or inability to use the work, even if any of them has been advised of the possibility of such damages. This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise. DOI: 10.1036/0071389318 1376860_FM_Carr 4/10/01 4:57 PM Page v Dedication Dedicated in memoriam to Johnnie Harper Thorne, K4NFU: a friend and colleague for nearly 30 years who is sorely missed. Johnnie was a genius who knew some real smoke about antennas. Killed by a drunk driver. . . From the Publisher The fourth edition of this book is published in memory of Joe Carr who passed away shortly after completing his manuscript. Joe was a valuable member of the McGraw-Hill family of authors and the electronics community as a whole. He will be missed by us all. Scott L. Grillo Editor-in-Chief v This page intentionally left blank 1376860_FM_Carr 4/10/01 4:57 PM Page vii Contents Introduction to the Fourth Edition ix 1 Introduction to Radio Broadcasting and Communications 1 2 Radio-wave Propagation 5 3 Transmission Lines 59 4 The Smith Chart 95 5 Fundamentals of Radio Antennas 123 6 High-Frequency Dipole and Other Doublet Antennas 141 7 Vertically Polarized HF Antennas 173 8 Multiband and Tunable-Wire Antennas 203 9 Longwire Directional Antennas 213 10 Hidden and Limited-Space Antennas 231 11 Directional Phased Vertical Antennas 245 12 Directional Beam Antennas 255 vii viii Contents 13 Antennas for Shortwave Reception 271 14 Large Wire Loop Antennas 287 15 Small Loop Receiving Antennas 299 16 Small Transmitting Loop Antennas 319 17 Antenna Modeling Software 327 18 VHF/UHF Transmitting and Receiving Antennas 339 19 Microwave Waveguides and Antennas 369 20 Antenna Noise Temperature 417 21 Antennas for Radio Astronomy 421 22 Adjusting, Installing, and Troubleshooting Antennas and Transmission Lines 433 23 Antennas for Radio Direction Finding (RDF) 439 24 Impedence Matching in Antenna Systems 457 25 Mobile, Emergency, Portable, and Marine Antennas 479 26 Antennas for Low-Frequency Operation 501 27 Measurement and Adjustment Techniques 515 28 General Antenna Mechanical Construction Techniques 543 29 Grounding the Antenna: What Is a Good Ground? 573 Index 583 McGraw-Hill Terms of Use 1376860_FM_Carr 4/10/01 4:57 PM Page ix Introduction to the fourth edition IT WAS WITH GREAT PLEASURE THAT I WROTE THIS FOURTH EDITION OF PRACTICAL Antenna Handbook. The original intent when the first edition was planned was to provide the reader with a practical, yet theoretical, book that could be used with only a minimal effort to actually design and install radio antennas. It was assumed that the readership would possess a wide range of levels of antenna sophistication, from the novice “newbie” to the professional engineer. That assumption proved to be correct as I have received letters from a wide variety of people. The success of the three previous editions of Practical Antenna Handbookhas been most gratifying. Clerks in radio stores told me that this book was outselling other titles 2:1. They confirmed that the types of people who buy the book meet the profile above. It was with surprise and delight that I noted that clerks in one radio store could cite the McGraw-Hill catalog number from memory, when they could not do that for other antenna books. While the sales are deeply appreciated (they are an honor), there was one com- ment that stood out. The salesman at one radio store introduced me to an instructor from a U.S. Government communications school. He typically bought twenty copies of Practical Antenna Handbookat a time for use by his students in a training class. He told me that the reason why he selected my book over others was “...it’s the only book on the marketthat people can give to a secretary, or clerk-typist, and expect them to be able to put up a working half-wavelength dipole two hours later.” And, he stated, in his business that could literally happen any time. ix

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18 VHF/UHF Transmitting and Receiving Antennas 339 The success of the three previous editions of Practical Antenna Handbook has been most gratifying. . Amateur radio has grown from a few thousand “hams” prior to World War I to.
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