global positioning system

How does GPS global positioning system work?
gps is a global positioning system designed, built, operated and managed by the us department of defense. some functions of gps are licensed for free use worldwide. one of the outstanding features of this tool is the positioning based on the position of the artificial satellites.
Successful fabrication of quantum compass to atomic level, replacing GPS in the future
scientists at the royal university of london have created a new navigation device that does not need a satellite, a quantum compass scientifically named independent quantum accelerometer - standalone quantum accelerometer.