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ARRL Products: Circuit Design (More) ARRL's Vintage Radio -- Articles about the lure of vintage Amateur Radio gear. Do-It-Yourself Circuitbuilding for Dummies -- A fun and easy way to start building circuits for your projects! Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology. ARRL's RF Amplifier Classics -- Turn dreams of constructing your first amp or next brick into reality! Discrete-Signal Analysis and Design -- Now Shipping! -- A clear, step-by-step approach to practical uses of discrete-signal analysis and design, especially for communications and radio engineers.

Real ham radio happens "in the field," where amateurs practice their avocation. Organized field activities redouble the efforts of individual amateurs -- there's strength in numbers. ARRL directly supports the activities of its members in the field via:

• The ARRL Field Organization -- Led by 71 Section Managers elected by ARRL members, the Field Organization consists of volunteers doing a variety of jobs to advance Amateur Radio.

• ARRL Affiliated Clubs -- Clubs are where the bulk of the work -- in public service, promoting Amateur Radio, peer support and just good fellowship -- occurs.

• Public Service programs -- Public service communication has been a traditional responsibility of the Amateur Radio Service.

• ARRL Sanctioned Hamfests and Conventions -- Sanctioning brings added benefits to a hamfest or convention -- and to the affiliated club that sponsors the event.