it maintained bounded position accuracy within 1 nautical mile over an 83-kilometer trajectory. This performance, achieved without access to satellite navigation, represents a more than tenfold improvement over standard navigation-grade inertial backup systems under similar conditions.
this article is better written:
https://science.report/discover/quantum-gravimeter-demonstrates-gps-free-navigation-in-coral-sea-trial-86654/
Here is the real article without the compounding editorial errors.
https://doi.org/10.48550/arXiv.2608.25563
It also doesn’t pretend the page failed to load when it detects an ad blocker.