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Transmitter hunting Also known as Radio Direction Finding, RDF is used to locate the exact location of a radio transmitter such as broadcast, two-way radio, television, and telephones. It is also used to track missing or stolen cars, search for persons in distress and locate downed aircraft with ELTs (Emergency Locator Transmitters.)
Hams use RDF to track jamming stations, stolen equipment, but mostly for fun. Hidden transmitter hunting (T-hunting) has been done by hams for over fifty years and is best described as hide-and seek with radio gear. T-hunters drive around, looking for a hidden transmitter in RDF-equipped cars. Most T-hunt contests start from a centralized location known as a start point and then everyone is on their own to find the hidden transmitter with the lowest possible mileage. You never know where you'll end up and you have no idea what you're going to find.
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