Archaius develops anti-jamming, resilient command-and-control and protected navigation technology for environments where GPS is denied or jammed. Its products span hardware, firmware, digital signal processing and RF components, built on patented field and phase electromagnetic technology for positioning, navigation and timing (PNT). Founded by Rick Vosburgh in North Carolina, the company has received Department of Defense SBIR/STTR awards and serves defense and critical-infrastructure customers.