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All posts from ruldricks

  • Survey Perspectives – June 2007

    Jun 27, 2007 No Comments

    WAAS Up? It’s been about a year since I’ve touched on WAAS (Wide Area Augmentation System) with any depth, and a lot of things are happening on that front so I’d thought I’d give an update. Also, look for a column on EGNOS (Europe’s version of WAAS) in the next month or two. WAAS is final...

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  • Survey Perspectives – May 2007

    May 17, 2007 No Comments

    The Dealer Shuffle Whether you live in London, Lagos, Lisbon, or Los Angeles, when you are looking to buy a survey instrument, most likely you have a “preferred” instrument distributor in mind. Maybe it’s the local Topcon dealer. Perhaps your Leica dealer has served you well. Or yo...

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  • Survey Perspectives – April 2007

    Apr 19, 2007 No Comments

    Getting Personal, Now Ok, this column is supposed to be about high-precision GNSS, right? Well, who would have ever thought I’d be inclined to write about consumer GPS receivers? Certainly not me. Sometimes, I even speak rather condescendingly about those “Wal-Mart GPS units” because they seem...

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  • Letters to the Editor – December 2006

    Dec 01, 2006 No Comments

    Need Clear Vision Well done on the editorial this month (“Skies Cloudy All Day,” October). I totally agree with you regarding the lack of clear vision for our GPS future. And I’m not saying there is not vision at the Air Force, but the GPS programs must be backed by the full Congre...

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  • DIRECTIONS 2007: Survey & Construction

    Dec 01, 2006 No Comments

    Momentum is a powerful phenomenon. When thought of in terms of a moving object, its mass and velocity can be measured. In other respects, it’s immeasurable. Feelings of confidence, trust, and faith can’t be hard-coded — but can make the difference between winning and losing. Whether in...

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  • “Geo-Enabling the IC with GeoPDF

    Oct 27, 2006 2 Comments

    This week, TerraGo Technologies announced that it has entered into a strategic agreement with In-Q-Tel – an independent venture capital fund tasked with identifying new technologies for the Central Intelligence Agency (CIA) and the larger intelligence community (IC) – to spark the development of...

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  • Letters to the Editor – October 2006

    Oct 01, 2006 No Comments

    Constellation Viability We recently discovered that in a 5-day period three GPS satellites were taken off line indefinitely with no explanation as to possible return to service. This is significant in that the constellation that remains is “non-optimal” in terms of providing more than fo...

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  • Expert Advice – Managing the GPS Constellation for Today’s Needs

    Sep 01, 2006 No Comments

    In a recent editorial in GPS World’s Survey & Construction e-newsletter entitled “No Joy in Surveyville,” Eric Gakstatter lamented the performance of the GPS constellation for surveying. He is not alone. In June, the Australian Broadcasting Company reported that farmers in Aust...

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