Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
GPS Galileo Glonass BeiDou Regional/Augmentation
Inside Unmanned Systems
Inside Unmanned Systems
Thought Leadership Series
Inside GNSS • July/August 2013

Adding Intelligence to Receivers

GNSS receivers and users, along with the critical infrastructures and services they support, face a growing threat from jamming, spoofing, and meaconing (JSM) events.

Several proposals for GNSS spoofing detection and signal authentication have been proposed over in recent years. These have focused mainly on adding cryptography elements to the GNSS signals and detecting RF characteristics of undesired signals.

Inside GNSS • July/August 2013

Something Old, Something New

The past 15 years have witnessed tremendous developments of new and modernized satellite-based navigation (satnav) systems, including GNSSs, regional systems, and space-based augmentation systems (SBASs). These have been enabled by the original designs of GPS and GLONASS and, in turn, have stimulated the design of satnav signal structures with different characteristics from those pioneer systems.

March 1, 2014 - March 7, 2014
Big Sky, Montana USA
July 14, 2013
Nashville, Tennessee USA
August 19, 2013 - August 24, 2013
Tokyo, Japan
June 28, 2013

Congress Slashes Civil GPS Funding

In a set of decisions that could potentially slow GPS modernization both the House and Senate Appropriations Committees this week slashed funding for the civil community’s contribution to the GPS system from the Fiscal Year 2014 (FY14) budget.

The House eliminated the entire amount of the White House budget request for $20 million, which is paid through the Federal Aviation Administration (FAA). The Senate cut a mere $5 million — 25 percent of what had been the requested.

June 28, 2013

Homeland Security's National Risk Estimate on GPS Disruption: Still a Lot of Unknowns

The U.S. Department of Homeland Security has released an abbreviated fact sheet and a summary report on its evaluation of the risks to U.S. critical infrastructure from GPS disruptions.

The unsurprising “bottom line,” as the public summary put it: “U.S. critical infrastructure sectors are increasingly at risk from a growing dependency on GPS for positioning, navigation, and timing (PNT) services. Such dependencies are not always apparent.”

June 27, 2013

ESSP Signs €450 Million EGNOS Contract to Augment GPS, GNSS Services

The European GNSS Agency (GSA) has announced the award of an eight-year, €450 million (US$585.4 million) EGNOS Service Provision (ESP) contract to ESSP, the European Satellite Services Provider.

ESSP has provided EGNOS (European Geostationary Navigation Overlay Service) services since 2009 under the current contract with the European Commission, which continues until the end of this year. The new contract will cover the period 2014-2021 (inclusive).

New Builds • June 17, 2013

NovAtel Upgrades SPAN-CPT with OEM6 GNSS

NovAtel has announced that its single-box SPAN-CPT GNSS/INS receiver now supports the company’s next-generation OEM6 GNSS technology platform.

According to the company, the OEM6 GNSS engine significantly improves positioning performance through its support of GPS and GLONASS, all-in-view satellite tracking, and intelligent measurement selection.

New Builds • June 19, 2013

Trimble Launches UAS Photogrammetry System

Trimble has introduced its next-generation unmanned aircraft system (UAS) — the UX5 aerial imaging rover with the Trimble Access aerial imaging application.
According to the Sunnyvale, California– based company, the new UAS enhances the image quality and workflows its predecessor, the Trimble Gatewing X100. Combined with the Trimble Business Center photogrammetry office software module, the Trimble UX5 is provides a UAS photogrammetric mapping solution specifically designed for surveyors and geospatial professionals.   

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