Zeljko Popovic is a research engineer at Honda R&D Americas, Inc. in Southfield, Michigan, investigating GPS positioning performance in obstructed environments for the…

By Inside GNSS

Robert Watson received B.Eng. and Ph.D. degrees in electronic engineering from the University of Essex, Colchester, UK. From 1995–1998 he was a senior…

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Jenna R. Tong is a postdoctoral researcher at the Electronic and Electrical Engineering Department at the University of Bath. Her first degree was…

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Mark Greaves is one of two geodetic analysts at Ordnance Survey. He holds an M.Sc. in engineering surveying and geodesy and is a…

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Paul Cruddace is the geodesy and positioning manager at Ordnance Survey, Great Britain’s national mapping agency. He is responsible for the development and…

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Willard Marquis is a senior staff systems engineer with the GPS IIR and GPS III Flight Operations Group, Lockheed Martin Space Systems Company.

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Chris Goodall is a co-founder and the vice-president, applications, at Trusted Positioning Inc., Calgary, Alberta, Canada. He has been working in developing, deploying…

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First, let’s review the record of presidential leadership in GPS. In 1983, following the shooting down of an errant Korean airliner over Soviet…

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The Galileo In-Orbit Validation (IOV) ProtoFlight Model (PFM) and Flight Models (FM-2, FM-3 and FM-4) undergoing assembly and testing at Thales Alenia Space’s…

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LightSquared told a congressional committee today (September 8, 2011) that it would limit the on-the-ground power of its signals to avoid overpowering GPS…

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Equation 1 Q: How does measurement differencing affect my computed position? A: The short answer is, “That depends.” Standalone, or undifferenced, measurements obviously…

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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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CORS and OPUS for Engineers Edited by Tomás Soler PUBLISHED BY THE AMERICAN SOCIETY OF CIVIL ENGINEERS

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Consumer demand for positioning information is currently being met by a plethora of wireless positioning technologies. The most popular consumer positioning technology, GNSS,…

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FIGURE 1: Current availability in the Arctic with VAL=35 m and HAL=40m. The Arctic houses an estimated 90 billion barrels of undiscovered, technically…

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