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 ...
DO YOU HAVE THE BEST POSITION AND ATTITUDE? No, I’m not talking about your personal life. I’m talking about the location and orientation of a vehicle. We all know that GNSS, perhaps augmented with ...
The International Marine Contractors Association (IMCA) has published “Guidance on RADius Relative Positioning System” (IMCA M 224) describing the RADius microwave radar system. The development of ...
Andrew Dempster is a Friend of The Conversation. The Global Positioning System (GPS) is a constellation of up to 32 satellites that orbit at a height of 26,600km above Earth. The satellites are owned ...
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