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Learn how to design and run your own Software Defined Radio (SDR) Capture the Flag challenges in this 40-minute conference talk from DEF CON 33's RF Village. Explore the evolution of SDR technology within RF CTF competitions, understanding its dual role as both a tool for contestants solving challenges and a platform for transmitting them. Discover the fundamental design principles behind effective RF challenges and gain practical knowledge of challengectl, the same software framework used by RFHS to broadcast challenges in official RF CTF events. Master the technical aspects of setting up and managing SDR-based competitions while understanding the strategic considerations that make RF challenges both engaging and educational for participants.
