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ARRL Products:
Technical, Electronics, and Communications Reference

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The ARRL Handbook for Radio Communications -- THE standard in applied electronics and communications.

Basic Radio - Understanding the Key Building Blocks -- FINALLY--an introduction to radio FOR EVERYONE!--what it does and how it does it.

QEX -- Forum for Communications Experimenters -- Provides a platform for exchanging the latest technical ideas and information. Published by ARRL. Subscribe Today...

Shortwave DX Handbook -- New Price $34.95, effective January 3rd, 2008. -- Your Gateway to worldwide DXing, both at home and on your travels!

Power Supply Handbook -- Gain the knowledge and confidence you need to build and use power supplies. A must have for your bookshelf!

ARRL's Tech Q&A--4th edition

ARRL Products · Product Notes

Product Notes, Corrections and Updates

Errata

  • Question T9C01, the correct answer is “A”, not “B” as shown.
  • Because of a printing error, question T5C02 is missing from page 7 of subelement T5. The question is:
    "What is a courtesy tone?"


    Page last modified: 12:02 PM, 07 Jun 2007 ET
    Page author: epubs@arrl.org
    Copyright © 2007, American Radio Relay League, Inc. All Rights Reserved.