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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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A Line Noise Sniffer That Works
I tried to find the source by using an AM broadcast receiver, but I could only deter- mine a general location, My AM radio picked up the standing-wave power- ... Learn More
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FCC to Utilities: Don't Look to Hams to Pay for Your Testing
Aug 28, 2009 ... 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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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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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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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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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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Interference From BPL Systems
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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ARRL Letter
Oct 7, 2021 ... 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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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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