The ARRL Software Library for Hams 2.0 -- CD-ROM, Version 2.0. Quick access to utilities, applications and information.

Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology.

Building Wireless Community Networks -- Explore the 802.11b standard (also known as WiFi). 2nd edition.

The ARRL Image Communications Handbook -- Use Amateur Radio to see and talk with other hams! Enjoy the imaging modes: NBTV, ATV, SSTV and WEFAX.

The ARRL Digital Technology for Emergency Communications Course -- Now Shipping! -- CD-ROM. Learn all the ways to use digital technology as an emergency communications tool!