China-Europe GNSS: Provides information on the Chinese cooperation in European global navigation space systems.GALILEO: Features overview of the GALILEO global satellite navigation system by the European Commission. Includes functions, performances and utilization areas.Galileo Industries: Provided overview and news about the GALILEO satellite navigation system being constructed in Europe.Galileo Joint Undertaking: Offers general system information and industry related material by the consortium building the system.Global Positioning System: Provides overview of the GPS program and launches.GPS World: Magazine offering on-line news and updated reference information in space and ground GNSS systems.iNavSat: News and background information by a consortium set up to operate the Galileo satellite navigation system.National Space-Based Positioning, Navigation, and Timing (PNT): Provides news and facts from the U.S. government board that manages the Global Position System (GPS).NAVSTAR GPS Joint Program Office: United States joint-military-service, multi-national organization responsible for the global positioning constellation, operational control segment, and user equipment. Technical and programmatic information.The European Space Agency: Satellite Navigation: Includes overview of satellite navigation and presentation of the European satellite navigation systems Galileo and EGNOS.United States Mission to the European Union: Galileo Dossier: Offers overview of USA's involvement in the Galileo program.What is Galileo?: Introduction to the Galileo system provided by the European Space Agency.