Navigation and service

International GNSS Service (IGS)


The International GNSS Service (IGS) provides Global Navigation Satellite Systems (GNSS) orbits, tracking data, and other high-quality GNSS data and data products on line in near real time. Currently the IGS includes two GNSS, the Global Positioning System (GPS) and the Russian GLONASS, and intends to incorporate future GNSS.

Web site:

IGS representatives to the IERS Directing Board:
IERS representative to the IGS Directing Board:
  • International GNSS Service (IGS)
  • IGS Central Bureau
  • Jet Propulsion Laboratory (JPL)
  • Mail Stop 238-540
  • 4800 Oak Grove Drive
  • Pasadena CA 91109
  • USA
  • Phone: ++1-818-354-8330
  • Fax: ++1-818-393-6686

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