-
Grow Light RFI - ARRL
Unfortunately these lights have proven to be a notorious source of RFI to the Amateur Radio service. Based on the distances over which the noise can ... Learn More
-
ARRL EMC Committee Semi-Annual Report
Jan 31, 2019 ... Smith then sends a suspect grower a letter without mentioning the ham or Amateur Radio. In cases where the FCC letter is ignored, however, ... Learn More
-
EMC Committee - ARRL
Jul 21, 2018 ... Develop standardized methods of locating RFI sources of harmful interference to. Amateur Radio stations. Work with other Industry Groups to ... Learn More
-
FCC enforcement involving electric utilities - ARRL
... noise sources on power lines and scheduling various utility staff to perform ... Having Trouble? Technology >> Radio Frequency Interference (RFI) >> Power Line >> ... Learn More
-
FCC Enforcement - 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
-
naval postgraduate school the mitigation of radio noise from external ...
A companion handbook covering sources of radio noise internal to a receiving facility is in preparation. Editions 1 and 2 of this document were published and ... Learn More
-
MFJ-5008 Ultrasonic Receiver - 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
-
Contribute RFI Files - 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
-
Light Bulbs and RFI — A Closer Look - ARRL
This circuitry has the potential to generate. RF, and with it, the possibility of interference to nearby radio receivers, including amateur receivers. So far, ... Learn More
-
Noise Logging - 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
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.