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Illustration of side-lobe signals from GPS satellites. (Image: ESA) Two European Space Agency studies found that the signal from navigation satellites orbiting Earth could be used to navigate the...

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By Inder Jeet Gupta It is well known that the phase center of a GNSS antenna can vary with the satellite direction. This phase center movement leads to aspect dependent carrier phase and code phase...

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photo: GPS World Racelogic’s latest update to the LabSat 3 simulator allows the use of 128-Gbyte SD cards, giving up to nine hours of high-quality RF recording. Also included in the update...

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Figure 6. Outdoor jamming test campaign. Conception, Realization, Evaluation of a Seven-Element GNSS CRPA By Frederic Leveau, Solene Boucher, Erwan Goron, and Herve Lattard A controlled radiated...

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By Kyle Wesson, Daniel Shepard, and Todd Humphreys Disruption created by intentional generation of fake GPS signals could have serious economic consequences. This article discusses how typical civil...

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The head of the European Commission’s Directorate General for Enterprise and Industry, the agency that oversees all operations of the Galileo program, has filed an official comment on the Federal...

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A New Approach to the Design and Development of Global Navigation Satellite Systems By Daniele Gianni, Marco Lisi, Pierluigi De Simone, Andrea D’Ambrogio, and Michele Luglio INNOVATION INSIGHTS...

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Experimenting with GPS on Board High-Altitude Balloons By Peter J. Buist, Sandra Verhagen, Tatsuaki Hashimoto, Shujiro Sawai, Shin-Ichiro Sakai, Nobutaka Bando, and Shigehito Shimizu In this...

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Can They Be Better? By Tony Haddrell, Marino Phocas, and Nico Ricquier We examine the antenna designs that provide GPS functionality to mobile phones and why most phones still do not provide GPS...

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Authors Javier Benedicto (ESA), left, and Rodrigo da Costa (GSA). (Image: ESA) Throughout 2020, the Galileo Programme under the responsibility of the European Commission, the European GNSS Agency...

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