Most speedometers are inaccurate, but is GPS any better?

It's pretty well established that car speedometers are mildly inaccurate. However, if you're wondering whether GPS is any ...
Steel Horse Rides on MSN

China has a major GPS edge over the US — here’s how it happened and what comes next

For decades, the United States treated satellite navigation as a quiet monopoly, with GPS embedded in everything from ...
Aviation Week

GPS May Be Subsumed Into The Positioning, Navigation And Timing Sector

Lockheed Martin has begun building the first GPS IIIF, which introduces a regional military spot beam to increase anti-jam resistance sixtyfold. Credit: Lockheed Martin Over 50 years, the Global ...