Viavi Solutions Inc. has partnered with Ground Control to integrate its Secure µPNT™ STL-1000 into the RockFLEET Assured tracking and navigation solution, addressing the growing vulnerability of GPS-only systems. This collaboration delivers a robust secondary position source, utilizing VIAVI’s software-defined receiver and SecureTimeSM altGNSS LEO services to ensure precise timing and authentication in contested or degraded environments. “With jamming and spoofing now a core element of cyber warfare, resilient PNT solutions are no longer optional,” said Doug Russell, Senior Vice President and General Manager, Aerospace and Defense, VIAVI. “The Secure µPNT STL-1000 enables assured, uninterrupted operations, especially in contested environments. Its compact size and low power consumption makes it ideal for applications that require an extremely small, low-power, secure, resilient embedded PNT receiver.”
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“As the frequency of jamming and spoofing continues to rise, reliance on GPS/GNSS signals alone increasingly exposes both commercial and military operations to risk,” said Alastair MacLeod, CEO of Ground Control. “Integrating VIAVI’s Secure µPNT STL-1000 into RockFLEET Assured delivers a trusted secondary position source, strengthening resilience for mission‑critical operations across defense, maritime and critical infrastructure environments.” This marine-grade A-PNT solution provides essential oversight for maritime and defense sectors facing increasing electronic warfare threats.





