GPS Update for USGS Liaisons
Modernization and GPS III
Modernization and GPS III Southern California Section ION Meeting 11 March 2009 Lt Col David Goldstein, US Air Force Chief Engineer GPS Wing This briefing.
GPS Status and Modernization 3 rd International Satellite Navigation Forum Moscow, Russia 12 May 2009 Lt Col Tim Lewallen, US Air Force Acting Chief, PNT.
GPS Status and Modernization
Using Federally – Provided Systems to Meet State and Local Positioning Needs
