Radio O (Amateur Radio Direction Finding, or ARDF)

US ARDF Team on Facebook 


U.S. National ARDF Championships

The 2019 National Championships are being planned by Backwoods O Klub for July 28 – August 4, 2019.


Mt Pinos ARDF Training Camp

12-14 July - ARDF Team USA veteran Marvin Johnston is hosting another ARDF training camp at Mt Pinos, California, including the traditional Tri-Tip BBQ social on Saturday evening (July 13). Maps provided by LAOC. This event is especially geared for those preparing for the U.S. / IARU 2 Championships.

Backwoods Orienteering Club (BOK) practice events

BOK hosts occasional ARDF training events throughout the year. More details on their ARDF site.

IARU Region 3 ARDF Championships

The 2019 IARU Regional 3 ARDF (Radio-O) Championships will be held in Wuxi, China, hosted by CRAC, 21-27 September 2019.



ARDF World Championships

The 20th ARDF World Championships will be held in Serbia in 2020.



Related Links:

updated 1 July 2019