-
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
-
Links
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
-
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
-
A Home-made Ultrasonic Power Line Arc Detector
There have been many excellent magazine articles and books published on how to deter- mine the location of radio noise and one of the best sources of ... Learn More
-
Meetings during 2024 Review of Activities in 2024
Jul 17, 2024 ... Power company attendees are generally well aware of amateur radio, as amateurs oftentimes find noise sources and report them to utilities. ARRL ... Learn More
-
FCC Enforcement
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
-
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
-
Radio Frequency Interference: A Customized Information Handout
Be sure to overwrite the existing text in each box or it will remain in the final document. 1. CLUB NAME. 2. LOCATION OF RFI SOURCE. 3. CONTACT PHONE NUMBER. 4 ... Learn More
-
ARRLWeb: ARRL EMC Committee Semi-Annual Report
Jan 17, 2015 ... conducted emissions, in violation of the FCC's rules. “ARRL has received numerous complaints from Amateur Radio operators of significant noise ... Learn More
-
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
NEW TO ARRL
LEARN MORE ABOUT
MEMBER QUICK LINKS
LICENSING LINKS
IN THE ARRL STORE
