2017-05-13 4:40 AM update:  The event is on!  The NWS hourly forecast looks good.  See you all out there. Get ready for the first open BOK Radio “O” ARDF event of 2017! Everyone is welcome. We will be hosting the meet at Carolina North Forest on May 13. Starts 11:00 AM to 1:00 PM. Course […]

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Radio-O, known as Amateur Radio Direction Finding (ARDF) was born during the cold war when when Northern and Eastern European countries wanted to encourage technical activities that developed civil defense skills in the schools and communities. Classic Radio-O The basic idea of a Radio-O classic event is to find up to 5 transmitters (sometimes called […]

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The event was a great success in that almost everyone found all the controls and had fun. In this White/Yellow level event there are 5 transmitters, each on a different frequency, transmitting continuously. There were a reasonable assortment of issues that make any ARDF event “unique”, shall I say.  We picked up a box of Chinese receivers […]

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Map Reading – Line O The map has a network of purple lines (that are not physical trails in the terrain) following the lines offer several route choice options to the transmitters.  Controls are set along the line and off the line at some key decision points.  Participants are instructed to only follow the lines to the […]

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Birkhead International ARDF Competition July 20 – 23, 2014 These are the results from the 4 competitions we had in the Uwharrie National Forest.  This was a very successful cooperative event with the Guangzhou Radio Club.  One of the highlights of the event was how well we worked together and our declaration to become Sister […]

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