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About Allison Craddock

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Allison Craddock is a member of the Geodynamics and Space Geodesy Group in the Tracking Systems and Applications Section at the NASA Jet Propulsion Laboratory in Pasadena, California. She is the director of the IGS Central Bureau, manager of external relations for the International Association of Geodesy’s Global Geodetic Observing System and staff member of the NASA Space Geodesy Program.

Posts by Allison Craddock

Innovation: The International GNSS Service Posted on 06 Sep 2018 in the Featured Stories & GNSS & Innovation categories.

25 years on the path to multi-GNSS
As Galileo, BeiDou, the Quasi-Zenith Satellite System, the Indian Regional Navigation Satellite System, and a variety of satellite-based augmentation systems join GPS and GLONASS, we help celebrate the coming 25th anniversary of the IGS as a truly multi-GNSS service. Read more»