- GPS: The Global Positioning System
Official U S government information about the Global Positioning System (GPS) and related topics
- GPS. gov: GPS Overview
The Global Positioning System (GPS) is a U S -owned utility that provides users with positioning, navigation, and timing (PNT) services This system consists of three segments: the space segment, the control segment, and the user segment
- GPS. gov: Space Segment
The GPS space segment consists of a constellation of satellites transmitting radio signals to users The United States is committed to maintaining the availability of at least 24 operational GPS satellites, 95% of the time
- GPS. gov: GPS Accuracy
Recent FAA data shows their high quality, single-frequency GPS receivers attaining horizontal accuracy of ≤1 82 m (5 97 ft ), 95% of the time Download source (10 5 MB PDF)
- Bienvenidos a GPS. gov
El Sistema de Posicionamiento Global (GPS) es un sistema de radionavegación de los Estados Unidos de América, basado en el espacio, que proporciona servicios fiables de posicionamiento, navegación, y cronometría gratuita e ininterrumpidamente a usuarios civiles en todo el mundo
- GPS. gov: Education Homepage
Information for students and teachers about the U S Global Positioning System (GPS)
- GPS. gov: Applications
GPS technology is now in everything from cell phones and wristwatches to bulldozers, shipping containers, and ATM's GPS boosts productivity across a wide swath of the economy, to include farming, construction, mining, surveying, package delivery, and logistical supply chain management
- Welcome to GPS. gov
全球定位系统（GPS）是美国以空间为基地的无线电导航系统，在全世界范围内为民间用户提供不间断的定位、导航和定时服务，而且对所有人免费。
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