Ken Hudnut, U.S. Geological Survey For at least two decades, GPS experts, geodesists, and public agencies have been working together to develop high-accuracy,…

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Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter…

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Q: How do measurement errors propagate into GNSS position estimates? A: Not surprisingly, GNSS positioning accuracy is largely dependent on the level of…

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In recent years, numerous, relatively inexpensive hardware platforms for conducting scientific research using the software defined radio (SDR) paradigm have become commercially available….

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In the past 20 years GPS has simultaneously revolutionized both our modern infrastructure (by providing real-time navigation, mapping, and timing support) and our…

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Equation 1 The small satellite “Technologie-Erprobungs-Träger 1” (TET-1) is the first spacecraft developed for the German Aerospace Center (DLR) On-Orbit-Verification (OOV) program, which…

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The 2nd EUROGI imaGIne Conference 2014 will be held at Messe Berlin, Berlin, Germany on October 8-9, 2014. This year’s theme is “Geographic…

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The 12th Conference on Space Weather, sponsored by the American Meteorological Society, and organized by the AMS Committee on Space Weather, will be…

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The IEEE Conference on Intelligent Transportation Systems (ITSC 2014) will take place at the Hyatt Regency Qingdao in Qingdao, China on October 8-11,…

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The Intelligent Transportation Society of America (ITS America) will host the 21st World Congress on Intelligent Transport Systems from September 7-11, 2014 at…

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Students conduct the “drop, cover, hold on” safety procedure during an earthquake preparedness drill. Photo Credit: Jessica Robertson, USGS Updated National Seismic Hazard…

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Typical precise point positioning (PPP) system design NovAtel Inc. has announced a promotion for existing customers for the company’s recently launched NovAtel CORRECT…

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As the Air Force contemplates changing its GPS III prime contractor in the face of program delays, sources say it is also weighing…

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Two powerful lawmakers are weighing rewriting the rules for the way frequencies are allocated as part of an overhaul of the nation’s telecommunications…

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The Institute of Navigation is partnering with the publisher of Inside GNSS to produce, publish, and distribute an expanded Show Daily publication at…

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