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Emitters
Having Trouble? Technology >> Radio Frequency Interference (RFI) >> Sounds of RFI >> Emitters. NEW TO ARRL. LEARN MORE ABOUT. Ham Radio > · Get Your License > ... Learn More
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Track and Solve Electrical Interference
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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ARRL Helps to Clear the Air in Line Noise Cases
Aug 21, 2001 ... One longstanding case involved a complaint from a Tennessee ham involving suspected power-line interference affecting both the amateur bands and ... Learn More
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Contribute RFI Files
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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Handheld Direction Finding Loop Antenna for RFI Location
A good way to locate radio-frequency interference (RFI) in the HF bands is with a small direction finding antenna and a portable radio. Learn More
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FCC enforcement involving electric utilities
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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Touch Lamp
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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Meetings during 2024 Review of Activities in 2024
Jul 17, 2024 ... 2) 96% of the cases that came to ARRL this year were from some source interfering with an amateur radio, not RFI from an amateur radio. Note: ... Learn More
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FCC Enforcement
ARRL Encourages Comprehensive Noise Floor Study (ARRL News, August 15, 2016); Amateur Radio Sleuthing Pins Down Source of Strange RF Interference (ARRL News, ... Learn More
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ARRLWeb: ARRL EMC Committee Semi-Annual Report
Jan 18, 2013 ... By the end of the day, they had identified noise sources in all directions but one. ... www.arrl.org/radio-frequency-interference-rfi. Learn More
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