Insight & Commentary - GPS World
 
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Insight & Commentary
  • Out in Front: Raise a Red Flag



    Young GNSS scientists and graduate students from Japan, Korea, Taiwan, Thailand, China, and Myanmar who attended the International Symposium on GPS/GNSS 2008 impressed me with their enthusiasm, energy, creativity, and, well, youth. Satellite navigation has a very bright future in the Far East.

    Leadership Talks: GNSS Election '08, Part 2



    Would the GNSS community gain more from new signals, or from more satellites? The hypothetical debate continues from November issue, with audience questions.

    Expert Advice: Interoperability, from Signals to Integrity



    For the user to combine systems using interoperable integrity mechanisms, the integrity information received from each of the systems must be based on the same concepts and definitions. There is a risk of having different receiver standards at regional level, and the lack of an agreed GNSS baseline on integrity could delay the ongoing transition to GNSS in aviation. Thus, reinforcing international cooperation to agree on a common base integrity mechanism will take a step towards interoperability and improved performance under a multi-constellation architecture.

    Out in Front: More Satellites! More Signals!



    When washing dishes one evening, it suddenly occurred to me that I could run my own election, play the political puppetmaster as it were — this, this was truly exciting. And so was born GNSS Election '08, the basis for discussion at this year's Leadership Dinner, held during ION-GNSS in Savannah, Georgia.

    Leadership Talks: GNSS Election '08, Part 1



    GPS World's Leadership Dinner convoked a lively debate: Would the community gain more from new signals, or from more satellites? A made-up scenario that elicited important insights.

    Out in Front: Eyes on the Prize



    Last month with the help of four engineers we identified reasons for the problem. Now, aided by a newly appointed professor at Brazil?s top technical university, the head of an international GNSS service, and the director of a labor organizing institute, we attempt to outline a solution.

    Expert Advice: Turning from Challenge to GNSS Opportunity



    After a brief Galileo snapshot of current status, I will proceed as requested with predictions of life in a multiple-GNSS world. We have secured an additional budget of 3.4 billion euros, mainly for developing and launching the Galileo constellation, with the key objective of a full operational capability in 2013.

    Leadership Talks: View from China



    Guifeng Jing (GJ) wrote in our May issue that ?I plan to do some research work on the establishment of integrated system of systems for users in China, to help domestic providers of digital maps, regional and thematic service systems, and service operators to sit together and discuss the possibility of setting up an interoperable system."

    Expert Advice: Reference Frame for Africa



    The Africa Reference Frame (AFREF) is an initiative to unify the many national coordinate reference systems in Africa using GNSS and in particular GPS as the primary tool.

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