The ARRL RFI Book 3rd Edition will help you to find and resolve interference. This book covers the causes and cures of many interference problems that you may experience. Everything from automotive to television, from computers to DVD players, and audio equipment to telephones can create a problem. The ARRL RFI Book offers a convenient, step-by-step process to eliminate problematic radio frequency interference. As technology increases, the likelihood of interference increases, too. Be ready to battle the noise with The RFI Book 3rd Edition from The American Radio Relay League.