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ARRL Letter Issue
Oct 7, 2021 ... ARRL President Rick Roderick, K5UR. · This image from the Fluke ii910 pinpoints the source of power line noise. · Ham radio provides a tenuous ... Learn More
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Grounding and Bonding for the Amateur - ARRL
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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Electric Fence Interference—A Case History - ARRL
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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Interference Primer - Parts 1 and 2 Derived from QST Lab Notes
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
Mar 18, 2021 ... We believe that there's a place for a virtual ham expo to serve the needs of the very large amateur radio community, especially those that don't ... Learn More
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Electric Fence Noise - ARRL
An electric fence can generate radio noise, even if it is in otherwise good working order. This noise is not normal however and it almost always can be ... Learn More
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FCC Power-Utility Letter - ARRL
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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ARRL EMC Committee Semi-Annual Report
Jun 12, 2007 ... RFI COMPLAINTS BY SOURCE: Power Line Noise. 44. Amateur Radio. 22. Unknown. 33. Appliances & Electrical Devices. 7. Automotive. 5. Computer. 7. Learn More
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Computer Law Review - ARRL
But because FRS power output is limited to 0.500 watt, FRS transmissions are unlikely to cause RFI. See 47 C.F.R. § 95.639(d). Amateur radio operators, on the ... Learn More
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