-
Direction Finding - ARRL
Every weekend, in cities and towns all across the country, ham radio operators gather on hilltops for a very special kind of contest--the Fox Hunt. Learn More
-
Antenna Corrosion - 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
-
2006 ARRL September VHF Contest
Sep 12, 2006 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
-
Antenna and Electromagnetic Modeling Software - ARRL
See K6OIK's 2017 Pacificon presentation on antenna modeling, “Antenna Modeling for. Radio Amateurs,” at www.fars.k6ya.org/docs/k6oik. Figure A — FEKO model of a ... Learn More
-
Danielson et all.indd - ARRL
Ham radio operators join forces with researchers for a wildlife telemetry experiment. Page 2. www.arrl.org QST February 2024 55. The practice of tracking ... Learn More
-
Antenna Gain - ARRL
That's why sunlight from 93 million miles away can be concentrated by a magnifying glass and ignite a fire. Focused radio frequency radiation could start fires ... Learn More
-
RF Exposure Calc Instructions - 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
-
Operating Instructions for HFTA, Version 1.04 - ARRL
Feb 22, 2013 ... Very few radio amateurs have access to a helicopter to really measure their elevation patterns! HFTA does corroborate the results from a ... Learn More
-
Hoist Clamp - KF7P.com
It fits on any 2” OD steel antenna mast and provides a strong fail-safe lifting point for raising large yagi antennas, tram lines, backstays, attaching a ... Learn More
-
Power Line Noise - 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






