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A Line Noise Sniffer That Works - ARRL
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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LOCATE AND FIX POWER-LINE INTERFERENCE - ARRL
Use a directional antenna (HF beam in this case) and a portable shortwave radio to pinpoint sources. This provides a demonstration for the neighbor when the ... Learn More
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Television - ARRL
For an antenna-connected TV, the first filter to try is a high-pass filter. These are available from Radio Shack. Several other sources are listed on the RFI ... Learn More
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By Ed Hare, W1RFI - ARRL
The number of products sold that could make radio noise in in the many tens of thousands, and even it had the signature of a Model XYZ Panashibi supply, a Model. Learn More
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ARRL EMC Committee Semi-Annual Report
Jul 20, 2013 ... Held on January 22, the topic of discussion was an analysis of the compatibility of 135.7-137.8 kHz Amateur Radio communications and power-line. Learn More
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September 11, 2003 Ms. Jody Noble, Esquire Duquesne Light ...
Dec 17, 2002 ... This is in response to your March 21, 2003 letter to Mr. G. Robert Thacker concerning a case of radio interference that has been reported to ... Learn More
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Electric Fence - ARRL
Electric fence noise is ruining radio reception. Fortunately, the cures are normally inexpensive and easy to implement, if you have a cooperative fence owner. 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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The EMI Finder - ARRL
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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ARRL EMC Committee Report
Aug 27, 2024 ... Item 1 - Lab Issues - W1EMI reports that he had more than 32 RFI cases in the first half of 2024. ... WA6MEM reported on a wideband noise source ... Learn More
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