Other Global Navigation Satellite Systems (GNSS)| www.gps.gov
Information about the new civil signals added through the Global Positioning System (GPS) modernization program| www.gps.gov
Augmentation Systems| www.gps.gov
Since the 1980s, multiple U.S. presidents have issued consistent policies encouraging the worldwide use of GPS for peaceful purposes. Congress has enacted elements of these policies as permanent law.| www.gps.gov