Virginia-based NAL Research has partnered with Norwegian firms Tschudi Shipping and SGM Technology to launch PntGuard, an advanced maritime navigation support system designed for operations in GPS-denied or spoofed environments. The plug-and-play solution provides immediate situational awareness when positioning integrity is compromised — a growing threat as electronic warfare expands across sea lanes. PntGuard includes a receiver linked to a Positioning, Navigation & Timing (PNT) service and a bridge display showing both spoofed and verified ship positions in real time. The technology offers redundancy beyond satellite navigation, ensuring safety for commercial and defense vessels. According to developers, PntGuard can integrate with radar, inertial systems, and celestial navigation modules for multi-layered validation. Maritime security experts say the collaboration underscores Europe’s focus on resilient PNT architectures vital to supply-chain security and naval operations. Tschudi’s operational insight, combined with NAL’s U.S. expertise in secure PNT, positions the consortium to serve both civilian and military fleets. Field trials in northern Europe demonstrated reliable spoof detection and near-zero latency alerts. With adversaries increasingly targeting GNSS networks, PntGuard’s adoption could redefine maritime navigation resilience. The system’s modular form allows quick installation on existing bridge systems, making it an affordable solution for fleet retrofits. The project aligns with NATO’s maritime resilience strategy, emphasizing assured navigation even in contested electromagnetic environments.
