GPS systems are actually pretty easily disrupted, whether it be by radio interference or weather outside of our control. For a while now, it has been a concern—especially with federal agencies—what would happen if GPS went down for some reason. While it might not seem like a big deal, GPS is used for many things more important than getting you to the closest Wal-Mart—including keeping time.
The National Institute of Standards and Technology (NIST) and the U.S. Naval Observatory (USNO) have been performing tests alongside two companies, CenturyLink and Microsemi, to see if there is a practical back up to GPS systems already in place so that a disruption wouldn’t effect major systems like timekeeping. read more









