navigation system

GPS not working? A new navigation system with 10 centimeter accuracy
via Delft University of Technology GPS not working? A new navigation system with 10 centimeter
Sandia National Laboratories atomic physicist Jongmin Lee examines the sensor head of a cold-atom interferometer that could help vehicles stay on course where GPS is unavailable. (Photo by Bret Latter)
The ability to still navigate when GPS goes dark
Sandia National Laboratories atomic physicist Jongmin Lee examines the sensor head of a cold-atom interferometer
The dawning of GPS-free navigation
This device could usher in GPS-free navigation Credit: Sandia Labs The dawning of GPS-free navigation
No GPS, No Problem: Next-Generation Navigation

UC Riverside Team is developing a navigation system that uses existing cellular signals, not GPS,