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 ...

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 ...

Poor coherence between simulated GNSS and inertial signals introduces subtle errors in EGI navigation system outputs and can create misleading test results. Understanding why it’s important for a ...

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 ...