GNSS

Name the alt-PNT leader for a $50 gift card

February 13, 2017By

Quick, what’s the best alternative when GNSS signals are not available? This is not a simple question, but we’re asking for a simple answer. Among the multiple avenues pursued at the U.S. Defense Advanced Research Projects Agency (DARPA), as described in February’s PNT Roundup, which has the most promise? Inertial sensors Chip-scale atomic clocks Cell signals Low-Earth orbit communications satellites... read more

US Air Force Airlift Squadron transports GPS IIIA model satellite

February 13, 2017By

Thanks in part to a Team Dover aircrew, the next generation of Air Force GPS satellites will soon be launched into orbit. A C-17 Globemaster III, operated by the 3d Airlift Squadron, transported a GPS Block IIIA Satellite Pathfinder and its shipping container from the Space Coast Regional Airport in Titusville, Florida, to Buckley Air Force Base, Colorado, Jan. 29-31.... read more

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Geoscience Australia, Lockheed collaborate on multi-GNSS SBAS research

February 13, 2017By

Geoscience Australia, an agency of the Commonwealth of Australia, and Lockheed Martin have entered into a collaborative research project to show how augmenting signals from multiple GNSS constellations can enhance positioning, navigation and timing for a range of applications. Other partners are Inmarsat and GMV. The research project aims to demonstrate how a second-generation Satellite-Based Augmentation System (SBAS) testbed can... read more

Septentrio GNSS technology guarantees DEME’s operations in areas of interference

February 10, 2017By

The Belgian dredging, environmental and engineering group DEME relies on the accuracy and reliability of the AsteRx family of precise GNSS positioning solutions from Septentrio. DEME is using Septentrio’s AsteRx GNSS receivers to obtain centimeter-level accuracy for all its dredging and marine construction operations worldwide. These receivers are specifically designed to operate in difficult conditions, from dredging a few meters... read more

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Surrey Satellite GPS receiver to navigate NASA OCO-3 mission

February 9, 2017By

Colorado-based Surrey Satellite Technology US LLC has delivered an SGR-20 space GPS receiver to NASA’s Jet Propulsion Laboratory to be integrated as part of the pointing control system for NASA’s Orbiting Carbon Observatory—3 (OCO-3) mission. OCO-3 will collect spaced-based measurements of atmospheric carbon dioxide and solar-induced fluorescence. Once launched, OCO-3 will be installed and operated on the International Space Station (ISS)... read more

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Spirent highlights GNSS threats at cybersecurity conference

February 7, 2017By

Spirent Communications plc will demonstrate its expanded focus on security at the cybersecurity RSA Conference 2017, held in the Moscone Center in San Francisco Feb. 13–17. In a classroom session, Spirent positioning security technologist Guy Buesnel will discuss deliberate threats to GNSS. Focusing on deliberate attacks against GNSS at the application layer and through RF channels, Buesnel will introduce session attendees to the vulnerabilities... read more

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EU project to seek TREASURE in multi-GNSS positioning

February 7, 2017By

A European Union (EU) project exploiting GNSS to establish the blueprint for the world’s most accurate real-time positioning service will be run at the University of Nottingham in the United Kingdom. The service, to be developed at prototype level, will benefit safety-critical industries such as aviation and maritime navigation, as well as high-accuracy dependent applications such as offshore drilling and production operations,... read more

Spirent security experts predict greater risk to GNSS in 2017

February 6, 2017By

Spirent Communications plc, provider of mobile network, application, services and device-test solutions, is warning of the increased likelihood of disruptions this year to a wide variety of civil and military applications relying on GNSS. The prediction of greater risk from hacking and location spoofing attacks by criminal, state-sponsored, and other adversaries is part of Spirent’s annual security forecast for 2017. The... read more

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