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  • LOCATE AND FIX POWER-LINE INTERFERENCE

    Use a directional antenna (HF beam in this case) and a portable shortwave radio to pinpoint sources. This provides a demonstration for the neighbor when the ... Learn More

  • ARRL EMC Committee Semi-Annual Report

    Oct 8, 2015 ... • Develop standardized methods of locating RFI sources of harmful interference to. Amateur Radio stations. Work with other Industry Groups to ... Learn More

  • RF Exposure Calculator

    The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More

  • Light Bulbs and RFI — A Closer Look

    This circuitry has the potential to generate. RF, and with it, the possibility of interference to nearby radio receivers, including amateur receivers. So far, ... Learn More

  • Television

    The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More

  • ARRL Letter

    Mar 4, 2021 ... ... RFI sources is a never-ending process. It is much like weeding a garden." The International Amateur Radio Union (IARU) warns against complacency ... Learn More

  • Electric Fence Noise

    Let's now take a closer look at the problem of unwanted radio noise from an electric fence, and ways to find and fix it. Virtually all radio interference ... Learn More

  • Product Reviews June 2016 Product Reviews:

    This is usu- ally accomplished by using radio direc-. Page 3. 54 June 2016 ARRL, the national association for Amateur Radio® www.arrl.org. Professional-grade ... Learn More

  • ARRLWeb: ARRL EMC Committee Semi-Annual Report

    Jan 16, 2016 ... • Develop standardized methods of locating RFI sources of harmful interference to. Amateur Radio stations. Work with other Industry Groups to ... Learn More

  • Noise Logging

    The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More

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