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  • Power Line Noise

    If no change or little change in the noise results, the problem with the receiver or its power supply, or the RFI source may is located near the receiver or ...... The ARRL RFI Book Practical Cures for Radio Frequency Interference. Step-by-step interference solutions covering telephones, power-lines, TVs computers, VHF ... Learn More

  • List all Products

    Raspberry Pi Workshop Manual — 1007. Relic — 0115. Remote Operating for Amateur Radio — 0922. Repeater Directory, The ARRL — 0697. RFI Book 3rd Edition, The ARRL — 0915. RFI Pocket Guide — 5008 RFinder App — RFinder. Riding the Shortwaves — 1210. Rings, Pendants and Necklaces, ARRL — NO- RING Learn More

  • ARRL :: Technical

    The ARRL RFI Book 3rd Edition. Practical cures for radio frequency interference! Now including ... RFI Pocket Guide. Pocket reference offers essential data on radio frequency interference for advanced ham radio operators, wireless engineers and technicians. Item No. 5008 - $20.00. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 ... Learn More

  • May 27, 2010

    May 27, 2010 ... ARRL's team of experts has compiled the best advice available on every type of radio frequency interference (RFI) in this brand new edition of The ARRL RFI Book. From automotive to television, from computers to DVD players, from audio equipment to telephones, amateurs will find a step-by-step process ... Learn More

  • Low Power, Crummy Antenna

    problems. I listen for neighbors' TVs, especially if I know one is poorly shielded, before tuning up. If you're still having problems, pick up a copy of the ARRL RFI Book. See the ARRL Publications Bookcase in the issue. December QST: Low Power, Crummy Antenna - Page 6. ARRL 1998 QST/QEX/NCJ CD C i ht (C) 1999 b ... Learn More

  • Part 15 - Radio Frequency Devices

    The ARRL publishes an excellent book, the ARRL RFI Book, edited by W1RFI ( what a perfect call for the League's RFI "guru") and written by a collection of real RFI experts. The League also offers considerable starter information about RFI on its TIS Web page. But there are other potential problems that can be widespread. Learn More

  • ARRL :: Public Service :: Emergency Power for Radio Communications

    This book covers the foundation of any communications installation—the power source. Use this book to plan ways to stay on the air when weather or other reasons cause a short-term or long-term power outage. Find ways to reach beyond the commercial power grid. Identify methods for alternative power generation that ... Learn More

  • ARRL :: Operating :: Morse Code Operating for Amateur Radio

    If you are new to Amateur Radio or high frequency (HF) operation, or even if you' ve been operating HF phone and RTTY but were reluctant to try learning and using Morse code, this book is especially for you. Morse Code Operating for Amateur Radio is your introduction into the fascinating world of radio communication by ... Learn More

  • ARRL References

    ARRL Antenna Book. The 22nd edition of the ARRL Antenna Book is reorganized, updated, and re-written from top to bottom. The book includes a free copy of EZNEC-ARRL antenna modeling and design software plus dozens of supporting files, articles, and utilities. Go Now ... Learn More

  • Cable Television Interference

    The result of the latter is a condition known as electromagnetic interference (EMI), radio-frequency interference (RFI), TV interference (TVI) or ingress. No matter what you call it, the ultimate translation is ..... It may be possible to obtain this information from the radio station log book. If not, have the station operator transmit on ... Learn More