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 ...
Figure 1: Diagram of cis-lunar space, which includes the real GPS sidelobe data collected on an HEO space vehicle. (All figures provided by the authors) As part of NASA’s increased interest in ...
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