Twitter 上的Yepzon:"#DidYouKnow ? NAVSTAR known as 'Navigation Satellite Timing and Ranging' was launched as the first Global Positioning System- # GPS on Feb 22, 1978. #FactOfTheDay #FactsMatter https://t.co/86d0nxNTb5" / Twitter
What is NAVSTAR GPS | Global Positioning System | What is GPS | Navstar Navigation System HINDI URDU - YouTube
Artist's concept of a NAVSTAR Global Positioning System satellite, a space-based radio navigation network - PICRYL - Public Domain Media Search Engine Public Domain Search