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Rohde & Schwarz and 7Layers have verified and validated the synchronized test approach to determine the Envelope Correlation Coefficient (ECC), a value characterizing the antenna subsystem of...

NOAA’s National Geodetic Survey (NGS) is conducting a 12-year project, called Gravity for the Redefinition of the American Vertical Datum (GRAV-D), to redefine the vertical datum of the United...

Figure 1. Distribution of the GPS+COMPASS tracking network established by the GNSS Research Center at Wuhan University and used as test network in this study. Data from a tracking network with 12...

A Civilian GPS Position Authentication System By Zhefeng Li and Demoz Gebre-Egziabher INNOVATION INSIGHTS by Richard Langley MY UNIVERSITY , the University of New Brunswick, is one of the few...

Septentrio became the first receiver manufacturer to report an autonomous real-time position calculation using Galileo IOV satellites, with its own standard commercial receiver. The company based in...

Xsens has launched BASE, an online technology platform with a community forum and a knowledge base on 3D motion tracking technology and products. On BASE.xsens.com, the knowledge base contains...

Lockheed Martin Space has released the GPS-III satellite antenna phase-center data, as well as the group delay and inter-signal correction data, for SVN-76 and SVN-77 as measured at the factory,...

  By Christopher J. Hegarty Based upon lessons learned from the LightSquared situation, the author identifies important considerations for GPS spectrum interference standards, recommended by...

Yang Changfeng, chief architect, BeiDou Navigation Satellite System, speaks at an international event. (Photo: BDS) On July 31, 2020, BDS-3, the global version of the BeiDou Navigation Satellite...

Dana Goward, President, Resilient PNT Foundation The Empire State Building sits atop a massive and solid foundation that hardly anyone ever sees. Above ground it has 2.8 million square feet of...

The Delta 4 rocket that will launch the next GPS satellite has been rolled out to the launch pad, reports Spaceflight Now. The satellite itself, GPS IIF-9, will be attached to the rocket in...

Five Challenges, One Key Technology, the Political Battlefield — and a GPS Mafia Part 2 of a Two-Part Story. Read Part 1 here. By Bradford W. Parkinson and Stephen T. Powers, with Gaylord Green,...

Innovation: GNSS Radio: A System Analysis and Algorithm Development Research Tool for PCs (PDF) By J.K. Ray, S.M. Deshpande, R.A. Nayak, and M.E. Cannon Published: May 2006 GPS World In this...

Photo: Toshe_O/iStock / Getty Images Plus/Getty Images Senate joined House to override Trump’s veto, making bill into law The U. S. Congress, especially the Armed Services Committees, have long...

IFEN GmbH has launched its new NCS Titan GNSS simulator. The NCS Titan has up to 256 channels (and 1024 multipath channels) and up to 4 RF outputs per chassis, providing flexibility and...

Figure 1. Example of the GNSS signal propagation using ray-tracing and a 3D building map. A particle-filter-based positioning method using a 3D map to rectify the errors created by multipath and...

How Irregularities in Electron Density Perturb Satellite Navigation Systems By the Satellite-Based Augmentation Systems Ionospheric Working Group INNOVATION INSIGHTS by Richard Langley THE...

Lockheed Martin Space has released the GPS-III satellite antenna phase-center data, as well as the group delay and inter-signal correction data, for SVN-76 and SVN-77 as measured at the factory,...

The GSG-51 GNSS signal generator provides a fast and cost-effective solution for production testing for Galileo and other GNSS. It emulates a single GNSS signal and can be upgraded for Galileo, as...

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