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Interference
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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Electric Fence Interference—A Case History
Paul thinks I'm an RFI guru, so I had to fake it. I grabbed my well-worn copy of Radio Frequency Interference: How to Find It and Fix It [1] and dashed out the ... Learn More
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ARRL@HamRadio.Fun: November Sweepstakes For the Win!
Dec 22, 2012 ... This year, the Missouri S&T Amateur Radio Club, W0EEE, took a much bigger role in Sweepstakes. In past years, we battled with noise and RFI ... Learn More
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VDSL Testing
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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QEXfiles
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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Grounding and Bonding for the Amateur
The book brings together material from numerous Amateur Radio and industry sources to present a comprehensive picture of basic grounding and bonding practices. Learn More
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Meetings
Aug 27, 2024 ... January 18 (the Thursday before the January 2024 Board Meeting) – W1GKS, W1EMI, W1RFI,. W1DRF (ARRL Lab Digital RF Engineer), K3ZJ and K9LA met ... 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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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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