ARDF stands for Amateur Radio Direction Finding and it is a radio sport in which the participant has to locate a number of small, low power transmitters in a wood or open terrain such as a country park or heathland. The legal and insurance impediments to car based direction finding (see the RSGB Handbook 2024 page 97) make pedestrian DF appropriate

Amateur radio direction finding (ARDF, also known as radio orienteering, radio fox hunting and radiosport) is an amateur racing sport that combines radio direction finding with the map and compass skills of orienteering.

2016年1月16日 · Now-a-days, it's 2 Meter FM Hidden transmitter hunting, AKA Hidden T Hunting or Fox Hunting or Bunny Hunting. For effective hunting- an attenuator is needed between the Directional Antenna and the Hunters receiver.

The orienteering-like sport that descends from this military technique is called ARDF (Amateur Radio Direction Finding) also sometimes called “fox hunting,” and the principles are the same as they were 100 years ago. By pointing the radio receiver's antenna and listening for the transmitted signal, you can determine its direction,

2024年10月19日 · Amateur Radio Direction Finding (ARDF) is the sport of finding radio transmitters on foot, using radio receiver, map, and compass in diverse, wooded terrain. ARDF joins orienteering skills like the proper use of topographic maps, compass skills, and locational awareness, with radio direction finding skills using hand-held portable receivers and ...

We have currently released the CAR-d16 weights for demo purposes, and larger models will be made available following future upgrades and extensions of CAR. The CAR models are available on and can also be downloaded from the following links:

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2022年12月3日 · This Chinese RF-80C ARDF set for 80 meters with superheterodyne circuit costs approximately 75 US dollars at current exchange rates. The telescoping sense whip is extended in use. Pressing the red button switches in the whip to resolve the 180-degree directional ambiguity of the ferrite rod antenna.

Another variation called ARDF or radio orienteering is popular in Europe (just gaining popularity in North America) and includes jogging or running from one low power hidden transmitter to another while carrying RDF equipment in a

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