Does combining GPS and GLONASS observations make a difference? The International GNSS Service (IGS) has been providing such data for several years. Representatives from two IGS analysis centers ...

The impact of adding GLONASS to HS-GPS is assessed using a software receiver operating in an actual urban canyon environment. Results are compared with standard and high sensitivity GNSS receivers and ...

In the United States, the Global Positioning System (GPS)—a global satellite navigation system—is synonymous with position and location awareness, and has become an essential tool in business and ...

As creator of the patented dual Global Positioning Systems for machine control, Trimble offers a complete line of three-dimensional and conventional grade-control systems on the market. From laser or ...