GPS SHIFT: The U.S. Air Force is shifting the orbit of three of its Global Positioning System (GPS) satellites to improve worldwide coverage and assist soldiers in areas such as Afghanistan, where the rugged terrain can block signals and reduce accuracy. Previously organized around 24 slots in six orbital planes in medium Earth orbit, the constellation is being adjusted to provide positions for 27 satellites. The shift is using only spacecraft that are already in orbit, and should not affect ...


You must have an Aviation Week Intelligence Network (AWIN) account or subscribe to this Market Briefing to access "Analysts Doubt Northrop Will Bite On TankerUSAF Shifts GPS Spacecraft For Better CoverageKey Senators Seek Reversal In Cuts To U.S. Coast GuardSocial Networking Generates Cyber WeaponsNASA, Italian Space Agency Find New Use For Leonardo ModuleRutan Worrie".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.