Navigation

China-Europe GNSS - - Provides information on the Chinese cooperation in European global navigation space systems.

The European Space Agency: Satellite Navigation - - Includes overview of satellite navigation and presentation of the European satellite navigation systems Galileo and EGNOS.

GALILEO - - Features overview of the GALILEO global satellite navigation system by the European Commission. Includes functions, performances and utilization areas.

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.

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.