GPS: FREE – DEPENDABLE – RELIABLE - ACCURATE 1 Brian Penick Chief, Civil GPS Liaison, USCG 2SOPS/GPSOC Schriever AFB Colorado Springs, CO. (719) 567-6615.
United States Global Positioning System (GPS) and Augmentation Systems Update Ad Hoc Provider’s Forum of the International Committee on GNSS Bangalore,
Patrick Caldwell Chris Kellar. Overview Basic Concepts History Structure Applications Communication Typical Sources of Error.
