Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert ...

The U.S. Global Positioning System (GPS)—the first GNSS—was developed in the early 1970s by the U.S. Department of Defense for military use. Trimble—the company I work for—helped ...