Valery U. Zavorotny received the M.Sc. degree in radio physics from Gorky State University, Gorky, Russia, and the Ph.D. degree in physics and…

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John J. Braun received the B.A. degree in physics and mathematics from the University of Colorado, Boulder, and the Ph.D. degree from the…

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Eric E. Small received a B.A. degree in geological sciences from Williams College and the Ph.D. degree in earth sciences from the University…

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Markus Markgraf is a senior research engineer in the GNSS Technology and Navigation Group at DLR/GSOC. He started working at DLR in 2000…

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André Hauschild is a member of the scientific staff of the GPS Technology and Navigation Group at DLR’s German Space Operations Center (GSOC)….

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One of 12 magnetograms recorded at Greenwich Observatory during the Great Geomagnetic Storm of 1859 1996 soccer game in the Midwest, (Rick Dikeman…

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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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