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November 14, 2016

A Short History of Radio Waves and GPS: Parkinson Receives Marconi Prize

Probably no one else could have accomplished Brad Parkinson’s bravura performance at the joint meeting of the Stanford PNT Symposium/Marconi Society earlier this month: in the morning sketch a “short history” of radio waves from Marconi to GPS  and in the evening recount a brief retrospective on the Global Positioning System from its prehistory in the 1960s to its future in the 21st century.

And in between moderate a panel of past Marconi Fellows, among whom Parkinson is the latest addition.

January 22, 2017 - January 26, 2017
Seattle, Washington, U.S.A.
June 5, 2017 - June 8, 2017
Dayton, Ohio USA
Working Papers • November/December 2016

Interference Localization from Space

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe's Galileo Operations and Evolution.

GNSS Solutions • November/December 2016

Challenges of Ray-Tracing for GNSS Applications

Q: What are the challenges of ray-tracing for GNSS applications?

A: Simulating the propagation and reception of GNSS signals in complex environments is a challenging task. Indeed, the user always has to trade off between the computation time and the reliability of the output. Moreover, the motion of GNSS satellites, atmospheric effects, and building geometry are always difficult to model.

Inside GNSS • November/December 2016

Navigating in Space

Spacecraft in low Earth orbit (LEO), at altitudes below 3,000 kilometers, remain within the main Global Positioning System (GPS) signals’ Earth coverage. Spacecraft employing GPS at these altitudes enjoy signal availability and navigation and timing performance emulating that of terrestrial users.

March 14, 2017 - March 16, 2017
Munich, Germany
December 7, 2016 - December 8, 2016
Redondo Beach, California
May 8, 2017 - May 11, 2017
Dallas, Texas, U.S.A.
Ventures • November 1, 2016

NovAtel and Stanford Sign Autonomous Vehicle Study Agreement

NovAtel has signed a contract with Stanford University for a study to determine how GNSS technology can deliver a positioning system that meets safety and accuracy requirements for autonomous land vehicles, the company said.

NovAtel said the study, to be conducted at Stanford's GPS Research Laboratory, will build on similar aircraft research. In addition, the research will include concepts for high integrity carrier-phase algorithms, threat models, and safety monitors for improving autonomous vehicle transportation, the company said.

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