Stealth Antennas

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IPublished by the Radio Society of Great Britain,3 Abbey Court, Priory Business Park, Bedford MK44 3WH, UKFirst published 2010 Radio Society of Great Britain, 2010. All rights reserved. No part of this publicationmay be reproduced, stored in a retrieval system, or transmitted, in any form or by anymeans, electronic, mechanical, photocopying, recording or otherwise, without theprior written permission of the Radio Society of Great s noteThe opinions expressed in this book are those of the author and not necessarily thoseof the RSGB. While the information presented is believed to be correct, the author,the publisher and their agents cannot accept responsibility for consequences arisingfrom any inaccuracies or AntennasbySteve Nichols, G0KYA RSGB 2012Contents1Introduction12Electrical and other safety issues213Using your roof space294Stealth Antennas for the loft375External antennas756Over-the-roof Stealth antennas817Examples of external Stealth antennas998Let s get really stealthy123 9Commercial Stealth antennas13910 Avoiding interference and EMC issues16111Maximising efficiency177Appendix 1 Glossary and abbreviations184Appendix 2Other RSGB antenna books197Index201 RSGB 201237THE SIMPLEST (and probably cheapest) antenna you can build is a loft-mountedhalf.

40 Stealth Antennas MULTI-BAND PARALLEL-FED DIPOLES WITH ZIG-ZAG (NON-INDUCTIVE) LOADING This antenna has nothing new …

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