The 2009 ARRL Handbook for Radio Communications uniquely serves both amateur experimenters and industry practitioners, emphasizing connections between basic theory and application. The ARRL Handbook is simply the standard in applied electronics and communications. This 86th edition is both a useful introduction to radio communication and features the most current material on electronics and Amateur Radio.

Topics in the 2009 edition include:

• Principles of Electronics -- including basic theory, components, analog and digital circuit construction. 
  

• Radio Communications Fundamentals and Design -- including modes and systems, filters, EMI, digital signal processing and software radio design, and RF power amplifiers.
  

• Real-World Applications and Operating -- including practical projects, station setup, antennas, transmission lines, and methods for testing and troubleshooting.
  

• References -- filled with hundreds of detailed tables, illustrations and photos.
  

• And much more!

 
The Handbook is filled with valuable references, practical examples and projects. The CD-ROM at the back of the book includes all of the fully searchable text and illustrations in the printed book, as well as companion software, PC board templates and other support files.

Revisions to the 2009 Handbook include updated material on amateur satellites, including details for today's fleet of operational satellites, as well as updated versions of accessory software on the CD-ROM included with the book.

New projects in the 86th edition include:

• RockMite QRP CW transceiver -- now expanded to cover 80, 40, 30 or 20 meters.
  

• Audio Interface for Field Day or Contesting -- audio and mic connections for two operators sharing a radio.
  

• Remote Power Controller -- turn high current devices off and on.
  

• Audible Antenna Bridge -- tune for the lowest SWR by ear.
  

• …and more!
  

The softcover edition of the Handbook sells for $44.95; the hardcover sells for $59.95. Both editions are available now.