Delta 4 rocket launches the GPS IIF-2 satellite from Cape Canaveral (ULA Webcast)
Cape Canaveral AFS, Fla., (July 16, 2011) – A United Launch Alliance Delta IV rocket carrying the Air Force’s Global Positioning System (GPS) IIF-2 payload lifted off from Space Launch Complex-37 here at 2:41 am EDT today. This is the seventh ULA launch this year. “Congratulations to the entire team on the successful launch of [...]
How GPS works
This video gives you a simple overview of the current GPS system and how it works. It also introduces other GPS systems from, Russia, Europe and China.