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Date: 2013-11-20 20:27:32Global Positioning System Satellite navigation systems Geography Spaceflight Unmanned spacecraft GPS Block IIIA GPS satellite blocks Selective availability anti-spoofing module GPS signals GPS Block IIF Quasi-Zenith Satellite System Galileo | Space and Missile Systems Center GPS Program Update to Stanford PNT Symposium 13 Nov 2013Add to Reading ListSource URL: scpnt.stanford.eduDownload Document from Source WebsiteFile Size: 1,68 MBShare Document on Facebook |