-
Tracing and Eliminating Power-Line Interference - ARRL
Radio amateurs are more likely to pick up line noise from farther away because hams generally use better receivers and an- tennas than the general public. Learn More
-
Product Reviews June 2016 Product Reviews: - ARRL
Al- though it is not a radio receiver, it is the amateur's tool of choice when locating an arc- ing source of RFI on a utility pole once the pole has been ... Learn More
-
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
-
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
-
ARRL EMC Committee Semi-Annual Report
FCC limits, noise in the ham bands is minimal or non-existent. It is not ... RFI COMPLAINTS BY SOURCE: Power Line Noise. 45. Amateur Radio. 24. Unknown. 31. Learn More
-
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
-
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
-
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
-
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
-
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
NEW TO ARRL
LEARN MORE ABOUT
MEMBER QUICK LINKS
LICENSING LINKS
IN THE ARRL STORE
Copyright © 2026 The American Radio Relay League, Inc. All rights reserved. Reproduction of material from any ARRL web page without written permission is strictly prohibited.