General Copyright. Publications of the ARRL in print and via electronic media are subject to copyright, and all rights are reserved. Complying with all applicable copyright laws is the responsibility of the user. Without limiting the rights under copyright, no part of ARRL published documents or materials may be reproduced, stored or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) or for any purpose, and may not be incorporated, in whole or in part, in any other  work, document, product, or item, including other software products, without the express written permission of the American Radio Relay League, Incorporated.

The American Radio Relay League, Incorporated may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in its publications. Except as expressly provided in any written license agreement from the American Radio Relay League, Incorporated, the furnishing of these materials for the stated intended use does not give the user any license to these patents, trademarks, copyrights, or other intellectual property.

Please direct inquiries for permission to use ARRL content to Maty Weinberg at mweinberg@arrl.org.  Include the name of the publication and a description of the content requested, including article title, publication date, author (if applicable) and figure number (if applicable).

Educational Use. Without limiting the generality of the foregoing, materials published for licensing instruction and other instructional purposes may be used in its current form, without alteration, and without advance written permission, by educators or mentors exclusively for educational purposes. When used for this purpose, please acknowledge ARRL as the source. All such educational purposes shall be non-commercial, and no use of the material for any purpose other than educational purposes may be made without advance written permission of the American Radio Relay League, Incorporated. Reproduction and mass distribution of materials via the Web or other electronic media for any purpose is prohibited without express permission as stated above.

Please review the Copyright FAQs for answers to frequently asked questions.