Fall Radio-O Beginner Classes
Learn radio orienteering (aka, ARDF) as the pros learned it. Experience the no-frustration step-by-step approach by which many have learned the sport.
Read MoreRadio Orienteering
Amateur Radio Direction Finding (ARDF)
Welcome to Radio-O. Here is how it works! We provide a radio receiver with a directional antenna, an orienteering map, a compass, and a finger stick. By pointing the antenna and listening to the signal you can determine the direction of the signal. Using this information you navigate to the transmitter and punch in with your finger stick. Only the start and finish are marked on the map and it is important to keep track of where you are. To qualify as finishing you must find at least one transmitter on your course and reach the finish within the time limit. To calculate results -- first; the number of assigned transmitters you found, then; your time on the course. We offer beginner through advanced courses, Regular BOK fees apply, and Pre-Registration is required.
Latest News in Radio Orienteering
Results: 2025 USA Radio Orienteering Championships
The 24th US Radio Orienteering Championship
In Central North Carolina from June 14 – 22, 2025
2025 USA Championships Radio-O Results
FoxO Results
FoxO Master Map
FoxO Livelox Event
Sprint Results
Sprint Master Map
Sprint Livelox Event
2m Results
2m Master Map
View Livelox Event
80m Results
80m Master Map
Bulletin 2 has all the details that were added throuout the event.
Basic Schedule
- Practice Days
- Saturday & Sunday, June 14-15, 2025 – FoxO & Sprint
- Monday, June 16, 2025 – 2m & Sprint
- Tuesday, June 17, 2025 – 80m & Sprint
- Equipment Check, Pre-Event Meeting & Pizza Dinner
- Wednesday, June 18, 2025 – All transmitter types
- Championship Races
- FoxOring – Thursday, June 19, 2025
- Sprint – Friday, June 20, 2025
- 2m – Saturday, June 21, 2025
- 80m – Sunday, June 22, 2025
- Late fees begin May 1 ($5 per day)
80m 2025 USA Radio-O Championships Results
80m Master Map 80m Livelox Event 80m 2025 USA Radio-O Championships, Results By Class 2025-06-19 M16 180 min 1 Tiger Zhao BOK 3 p (45:50) 2150752 W16 180 min 1 Anastasia Afonkin 3 p (63:07) 2005093 W19 180 min 1 Adalia Schafrath-Craig BOK 4 p (133:07) 8470477 M21 180 min 1 Eduard Nasybulin 5 p […]
Read More2m 2025 USA Radio-O Championships Results
2m Master Map View Livelox Event 2m 2025 USA Radio-O Championships,Results by Category 2025-06-19 M16180 min 1 Tiger Zhao BOK 3 p (52:40) 2150752 W16180 min 1 Anastasia Afonkin 0 p (71:51) 2005093 W19180 min 1 Adalia Schafrath-Craig BOK 3 p (95:39) 8470477 M21180 min 1 Eduard Nasybulin 5 p (117:20) 7207970 2 […]
Read MoreSprint 2025 USA Radio-O Championships Results
Sprint Master Map Sprint Livelox Event Sprint Results By Category 2025-06-19 M16 60 min 1 Tiger Zhao BOK 6 p (21:33) 2150752 W16 60 min 1 Anastasia Afonkin 4 p (43:55) 2005093 W19 60 min 1 Adalia Schafrath-Craig BOK 8 p (26:10) 8470477 M21 60 min 1 Eduard Nasybulin 10 p (30:58) 7207970 2 William J […]
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