The ARRL Handbook 102nd Edition

Celebrating 100 years of continuous publication, The ARRL Handbook has been a trusted reference for amateur radio operators, builders, and experimenters since 1926. The 102nd edition features expanded coverage of today’s technologies, including digital signal processing, software-defined radio, satellite communications, digital networking, microwaves, and more.

A Century of Radio Innovation

Published continuously since 1926, The ARRL Handbook has accompanied Amateur Radio operators through generations of innovation and achievement. From the earliest days of radio to today’s digital technologies, it has remained a trusted resource for those who build, experiment, and advance wireless communication.

As the United States celebrates its 250th anniversary, The Handbook marks 100 years of publication, a remarkable milestone for one of America’s enduring technical references.

The 102nd edition brings updated content, expert guidance, and practical techniques for today’s radio amateurs. It covers radio fundamentals, electronics, circuit design, antennas, propagation, station construction, test equipment, troubleshooting, and more.

What’s New in Handbook 102

• Weak-signal communications and digital signal processing

• FreeDV digital voice technology

• Software-defined radio (SDR) applications

• Digital mesh networking

• Amateur satellite communications

• Microwave frequencies and higher

• Space-efficient antenna designs

• NanoVNA testing and measurement techniques

"Hams haven't stopped innovating, and the new version of the Handbook contains information that helps you to communicate with satellites, mesh networks, digital voice, microwaves, and digital processing that allows us to hear signals that are covered by noise." — Gregory D. Lapin, PhD, PE, N9GL, Editor

Additional Features & Specifications:

• Binding: Paperback

• Pages: 1280

• Publisher: The American Radio Relay League, Inc.

• Copyright: 102nd Edition, First Printing (2026)

• Language: English

• ISBN: 978-1-62595-245-5