For anyone who has watched a GPS signal vanish at exactly the wrong moment — deep in a canyon, thick in the trees, miles from the nearest paved road — a company out of Austin, Texas thinks it has solved the problem for good.
TERN, a navigation technology firm, announced on May 13, 2026 the expanded rollout of its Independently Derived Positioning System, known as IDPS. The technology delivers turn-by-turn navigation across trails and unpaved terrain without relying on satellites, cell towers, or any external signal whatsoever. It works when everything else stops working.
That is not a small thing.
How TERN's System Actually Works
The IDPS platform does not replace GPS so much as it makes GPS irrelevant. The system runs entirely on hardware that already exists inside modern vehicles. It generates its own position data internally, meaning it does not need to reach out to satellites or infrastructure to know where a vehicle is and where it needs to go.
What makes the technology more interesting than a simple dead-reckoning system is that it learns. The more a vehicle is used, the more the system understands about road patterns, driving behavior, and positioning patterns. Accuracy improves over time, which means the longer a fleet or individual uses it, the better it performs.
In practical terms, a driver can pull up a route through remote terrain and receive continuous turn-by-turn directions — waypoints, trail guidance, real-time position correction — without any of the signal dependency that has always made off-road navigation a backup-plan kind of activity.
The Problem Nobody Fully Fixed Until Now
Standard navigation apps work well on interstates and city grids. They start falling apart in places where the infrastructure does not follow. Canyons block satellite views. Dense forest canopy does the same. Remote desert flats, backcountry mountain roads, and rural two-tracks frequently sit in cellular dead zones where downloaded maps become the only fallback — and even those cannot update position in real time.
For overlanders and serious off-road drivers, the workaround has always been some combination of dedicated GPS units, paper maps, waypoint files loaded onto handheld devices, and a general acceptance that navigation is going to be imprecise once things get interesting.
TERN's IDPS promises continuous positioning across both paved and unpaved environments. Turn-by-turn navigation stays active. Real-time position correction keeps running. The system does not care whether there is a cell tower nearby or a clear view of the sky.
Shaun Moore, co-founder and CEO of TERN, put it plainly: "Modern navigation has always been conditional, dependent on signal, coverage, and environment. TERN breaks that model, delivering a continuous, trusted position wherever the vehicle operates."
Signal Disruption Is Getting Worse
The timing of this release matters beyond the off-road community. GPS disruption has become a legitimately growing problem across civilian transportation, not just in conflict zones or military exercises. Interference and jamming are being reported with increasing frequency along civilian transportation corridors. Spoofing — where a false signal tricks a GPS receiver into reporting the wrong position — has caused real-world navigation failures in commercial shipping, aviation, and ground transport.
For most drivers, this has stayed abstract. But for anyone operating in remote terrain, or anyone whose livelihood depends on reliable vehicle positioning, the vulnerability of satellite-based navigation has never been a comfortable thing to ignore.
TERN's approach eliminates the attack surface entirely. There is no signal to jam if the system does not depend on one.
The Recognition Behind the Technology
TERN is not a startup pitching slides. The IDPS platform has accumulated a notable list of validations from serious institutions.
TIME magazine gave the system a Special Mention in its Best Inventions of 2025. The Consumer Electronics Show awarded it a CES Innovation Award. NATO selected TERN into its DIANA accelerator cohort, which focuses on deep technology with defense applications. Perhaps most notably, TERN holds active contracts with both the U.S. Department of Transportation and the U.S. Army.
That combination — civilian recognition, defense contracts, NATO involvement — suggests the technology has been stress-tested at levels most navigation platforms never reach. Government procurement processes, particularly those involving the Army, are not known for taking chances on unproven hardware.
Who This Is Actually Built For
The off-road navigation expansion targets automotive manufacturers as a platform-level integration, not a consumer app available in an app store. TERN is positioning IDPS as something that gets built into vehicles at the factory or integrated at the fleet level.
That means the most likely early adopters are off-road vehicle manufacturers, fleet operators running vehicles in remote or communications-degraded environments, and military end users where GPS denial is not a hypothetical but a planned operational reality.
Overlanders and serious trail drivers will probably feel the effects of this technology before they ever interact with the brand directly. If a truck or SUV rolls off the line with IDPS already integrated, the driver benefits without needing to know how the system works or what it is called.
What It Means for the Long Run
The broader shift that TERN represents is the move away from treating remote navigation as a niche problem with niche solutions. The assumption has always been that you carry extra gear, download offline maps, and manage expectations when heading somewhere without signal. That assumption is being challenged.
If IDPS makes it into mainstream vehicle production — and the OEM integration strategy suggests that is exactly the goal — then reliable trail navigation becomes a factory feature rather than an afterthought. The overlanding community has been solving the signal problem with supplemental hardware for decades. A future where the vehicle itself handles it natively, without any workarounds, would represent a genuine change in how backcountry travel is planned and executed.
The military angle adds another layer of significance. Environments where adversaries actively work to disrupt GPS are exactly the environments where a positioning system with no external dependencies becomes operationally critical. TERN appears to be building toward both markets simultaneously, which likely explains the breadth of recognition from institutions that do not usually agree on much.
The Bottom Line
Getting lost used to be the price of going somewhere worth finding. Dead zones, dropped signals, and blank screens have been a consistent limitation for anyone pushing beyond the pavement.
TERN's Independently Derived Positioning System does not patch around those limitations. It removes the dependency that creates them. Turn-by-turn navigation that keeps running in canyons, forests, and remote terrain — without satellites, without cell service, without external signals of any kind — is a different category of solution than anything currently in the market.
Whether it arrives as a factory option on a production truck or as a fleet integration for operators working in demanding environments, the technology addresses a real gap that has frustrated off-road drivers and navigation engineers alike for a long time.
The signal problem may finally have a real answer.
