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ARRL EMI/RFI Products And Other Resources
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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The EMI Finder
Some of the typical broadband emit- ters of radio frequency interference. (RFI) that you can pinpoint are power- line insulators, computers and indus- trial ... Learn More
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Interference Primer - ARRL
Ed Hare, W1RFI, Laboratory Supervisor, now grapples with one of the most difficult problems in Amateur Radio: electromagnetic interference, or EMI. EMI is a ... Learn More
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March 17, 2005 Ms. Jody Noble, Esquire Duquesne Light Company ...
Mar 17, 2005 ... The complainant referenced in that letter is Mr. G. Robert Thacker, Amateur Radio licensee. K3GT, (address deleted). Although Duquesne Light ... Learn More
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Smart Meters
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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Of Frogs and Canaries
radio frequency interference (RFI) from unintentional emitters — de- vices ... from the nearest external sources of manmade noise. A common comment ... Learn More
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Experience the ARRL EXPO at the Dayton Hamvention®
Apr 21, 2010 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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ARRL Letter
Apr 1, 2021 ... Celebrate World Amateur Radio Day 2021 on April 18 · FT8 Accounts for Nearly Two-Thirds of HF Activity · ARRL Podcasts Schedule · IARU Region 1 ... Learn More
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FCC Special Counsel Laura Smith Visits ARRL
Mar 11, 2009 ... Spending all Thursday afternoon with ARRL Lab staff, Smith discussed power line noise and how it can affect Amateur Radio. "Since Riley had ... Learn More
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Ferrite choke kits for coax, USB, and ethernet
Time to reduce the annoying RF sources that are picked up in your radio, or cause havoc with interconnecting shack equipment. Our choke kits provide the ... Learn More
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