"The ARRL Handbook for Radio Communications is a complete reference and guide to radio technology principles and practices. Since 1926, The ARRL Handbook has been a trustworthy source of introductory, applied, and theoretical information. Now in its 96th edition, The Handbook continues to advance the pursuit of experimentation and innovation by radio amateurs and professionals. Each edition contains new and useful material to support Amateur Radio activity from the traditional short- and long-wave frequencies through microwaves!" -- Back cover.