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Satellite navigation
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==Alternatives== '''Alternative Positioning, Navigation and Timing''' ('''AltPNT''') refers to the concept of as an alternative to GNSS. Such alternatives include:<ref>{{Cite web|url=https://spacenews.com/can-altpnt-really-replace-gps/|title=Can "AltPNT" Really Replace GPS?|first=Sean|last=Gorman|date=July 2, 2024}}</ref> *[[Inertial navigation system]]s (INS) *[[eLORAN]] *[[Terrain-based navigation]] (TBN) *[[Visual Positioning Systems]] (VPS) *[[LiDAR]]
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