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VDSL Testing - ARRL
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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Colorado Ham Tracks Down, Resolves Interference from Pot ... - ARRL
Jun 9, 2014 ... 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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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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ARRL Letter
Mar 4, 2021 ... Approaches to Tackle Noise Problems Vary, Remedies Elusive · ARISS, NASA, and ESA Continue to Probe Amateur Radio Problems on ISS · Quantum ... 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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ARRL EMC Committee Semi-Annual Report
RFI COMPLAINTS BY SOURCE: Power Line Noise. 97. Amateur Radio. 32. Unknown. 57. Appliances & Electrical Devices. 23. Automotive. 9. Computer. 12. Electric Fence. Learn More
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Electric Fence Noise - ARRL
Let's now take a closer look at the problem of unwanted radio noise from an electric fence, and ways to find and fix it. Virtually all radio interference ... 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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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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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






