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Canada’s newly released Positioning, Navigation and Timing (PNT) Resilience Framework recognizes that over-reliance on GNSS represents a growing national security, economic resilience, and critical infrastructure risk, according to an article by Stephen Farley, the Head of Sonar Division and Project Management at Nautel Limited. “The Framework specifically identifies the need for diversified PNT sources, sovereign Canadian capabilities, dual-use civil-defense solutions, and terrestrial PNT systems, including eLoran,” he wrote.
“Rather than replacing GNSS, eLoran strengthens Canada’s overall PNT architecture through a complementary ‘system-of-systems’ approach that aligns directly with the Framework’s principle of PNT system diversity.”
A resilient PNT architecture requires multiple independent sources of positioning, navigation, and timing information, including eLoran, Mr. Farley posited.
Why eLoran Matters
GNSS signals are vulnerable to jamming, spoofing, meaconing, and space weather effects, particularly in Arctic and northern regions where satellite coverage and performance can be degraded.
Enhanced Loran, Farley argues, is a proven terrestrial technology that operates independently of satellites, provides wide-area coverage over land and sea, and delivers resilient timing and navigation. Additionally, it supports operation during GNSS disruption or denial, facilitates maritime navigation and Arctic operations, and contributes to the sovereign Canadian PNT infrastructure.
“Rather than replacing GNSS, eLoran strengthens Canada’s overall PNT architecture through a complementary ‘system-of-systems’ approach that aligns directly with the Framework’s principle of PNT system diversity,” Mr. Farley wrote.
