In need of assurance

This article by Angus Batey in the April/March 2018 edition of Digital Battlespace discusses the vulnerabilities to GPS-dependent infrastructure in both commercial and defense sectors and some of the recent technological developments that provide assured positioning, navigation and timing (PNTPosition, Navigation, and Timing: PNT and map data combine to create the GPS service.). Our VersaPNT and STL solutions are highlighted as available PNT solutions to establish reliable backups and resiliency for GNSSGlobal navigation satellite system (GNSS): A general term describing any satellite constellation that provides positioning, navigation, and timing (PNT) services on a global or regional basis. See also systems.