What is Fox Hunting?
Direction finding (DF), or radio direction finding (RDF), or FOX Hunting, is the use of radio waves to determine the direction to a radio source. The source may be a cooperating radio transmitter or may be an inadvertant source, a naturally-occurring radio source, or an illicit or enemy system.
ARDF activities include:
- Building direction-finding equipment
- Training competitors in the rules of the sport
- Organizing events
- Annual championship competitions
- Biannual World Championships
- Annual World Youth ARDF Championships (WYAC)
The International Amateur Radio Union organizes the rules of the sport and international competitions.
Amateur radio direction finding (ARDF), also known as radio orienteering, is a sport that uses radio waves to navigate through wooded areas to find radio transmitters. Competitors use a directional antenna and receiver, a topographic map, and a magnetic compass to track the signal of a small transmitter, called a beacon. The receiver, which looks like a small TV antenna with a sniffer, allows the competitor to hear the beacon’s signal and determine its direction. Competitors can then use a variety of methods to find the beacon, including:
- Following the tracker to the beacon
- Taking bearings and triangulating the beacon
- Using landmarks or a compass bearing to draw a line from their position on a map
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