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All posts from GPS World staff

  • The System: Galileo ICD, Free at Last

    May 01, 2010 No Comments

    Galileo ICD, Free at Last The European Commission (EC) has published an updated Galileo Open Service Signal-In-Space Interface Control Document (OS SIS ICD) giving technical specifications and performance expectations for the future system. As reported by GPS World in October 2009, the EC will not c...

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  • World Domination: The Sequel

    Apr 19, 2010 No Comments

    Perhaps we should call this The Interquel rather than The Sequel, as the latter will take place September 23 in Portland, Oregon, during the ION GNSS 2010 Conference. In January, 12 brave individuals joined me in San Diego to see if this thing would work at all.  It did!  The exercise revealed man...

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  • Aeroflex Introduces Portable Positional Simulator for GPS/Galileo Receivers

    Apr 12, 2010 No Comments

    Aeroflex has introduced the GPSG-1000, a portable GPS and Galileo positional simulator. The GPSG-1000 is lightweight and configurable. It fills a gap in the market by providing a low-cost 12-channel test set that creates three-dimensional simulations, Aeroflex said. With the advent of GPS signal mod...

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  • Research and Other Hard Things

    Apr 01, 2010 No Comments

    Once again, I reach into the mail bag to pull out this gem, from someone both high up and deep down in administrative matters relating to GPS and other technologies. Herewith:   Two quotes — with Some Accompanying Thoughts “If we knew what we were doing, it wouldn’t be called res...

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  • Wide Awake Bridging the Gap

    Mar 30, 2010 No Comments

    I gave this talk at the Munich Satellite Navigation Summit, in a concluding session titled “Bridging the Gap: A Journalistic View on Progress and Problems of GNSS.” __________ Before telling you what I came here to say today, I should really attempt to answer the question posed by our mo...

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  • The Spy Who Loved Me

    Feb 16, 2010 No Comments

    With apologies to James Bond, Ian Fleming, and, well, just about everybody else. Here is a grab from my mail bag.  The message was subject-lined: GPS Spy Applications. “I recently suspected my wife of cheating, having been involved with gps as a land surveyor since 1995, I used and applicatio...

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  • The System: GLONASS Heaves Three Aloft

    Jan 01, 2010 No Comments

    The Russian space agency Roscosmos launched a venerable Proton rocket carrying three GLONASS-M satellites into orbit on December 14. Each 3,000-pound satellite is designed to last seven years. They join a constellation numbering 19 satellites, although only 16 are healthy. Russian politicians and ...

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  • The System: Glitches and Vulnerabilities

    Oct 01, 2009 No Comments

    A range of unrelated events in September show that GPS, the world’s preeminent GNSS, remains a work in progress. The first in a series of deviations from normal GPS signal broadcasts during September was noted by researches at the University of New Brunswick, among others around the globe, who fou...

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