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FCC Power-Utility Letter
If the interference involves an operator in the Amateur Radio Service, the ARRL may be able to help by providing information about power-line noise. Contact:. 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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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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ARRL Letter
Mar 25, 2021 ... The FCC announced on March 19 that the amateur radio application fees, including those associated with Form 605 filings, would not become ... 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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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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Of Frogs and Canaries
Sometimes a potential source of unnecessary radio frequency interference (RFI) from unintentional emitters — de- ... from the nearest external sources of manmade ... 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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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 Letter
Apr 8, 2021 ... Radio frequency interference (RFI) has been a problem for ham radio operators and SWLs (shortwave listeners) since the radio hobby began. Noise ... Learn More
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