Why do you see the need to modernize GPS? For many lay users, global navigation satellite systems (GNSS) are simply there, reliably guiding them and their systems to do the right thing in the right ...

Exelis (NYSE: XLS) successfully completed factory acceptance testing for the Global Positioning System (GPS) III navigation payload simulator software. Developed by Exelis, the software will simulate ...

Testing GNSS receiver systems in real-world conditions is limited by unpredictability, legal restrictions, and the inability ...

Editor’s Note: This is the second article in a three-part series about software defined radios in GPS/GNSS simulators. Part 1: About GPS and various techniques that are used to advance signal ...