GNSS

Poll: Experiences with jamming, spoofing and RF interference

November 14, 2016By
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Not with Purple Haze, but with signal interference — although, come to think of it, the two may be not unalike, phenomenologically. The October reader’s poll asked “Have you directly experienced any of the following? Check all that apply. GPS/GNSS jamming. GPS/GNSS spoofing. Unintentional RF interference. RF interference from unknown source; unknown whether intentional or not. None of the above.... read more

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Four Galileos now atop Ariane 5 launcher

November 11, 2016By
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From the European Space Agency Europe’s next four Galileo navigation satellites are together on their dispenser atop the Ariane 5 launcher due to launch them next Thursday from Europe’s Spaceport in French Guiana. Having been attached to their dispenser as a combined upper composite, the four 715-kg satellites were transported to the final assembly building on Oct. 31. The next step... read more

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New BeiDou Interface Control Document released

November 10, 2016By
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Version 2.1 of the BeiDou Navigation Satellite System Signal In Space Interface Control Document for the Open Service Signal has been released. The document was issued by the China Satellite Navigation Office. It defines the specification related to open service signals B1I and B2I between the space segment and the user segment of the BeiDou Navigation Satellite System. B2I will... read more

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FAA releases National Airspace System Navigation Strategy

November 10, 2016By
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The United States Federal Aviation Administration (FAA) has released its Performance-Based Navigation (PBN) National Airspace System (NAS) Navigation Strategy 2016, the result of a concerted year-long effort by FAA and aviation industry stakeholders. It describes how the FAA intends to transition U.S. NAS operations over the near- (2016–2020), mid- (2021–2025) and far-term (2025–2030) from predominantly point-to-point navigation, reliant on hundreds... read more

Swift Navigation introduces Piksi Multi GNSS receiver at Intergeo 2016

November 9, 2016By

Swift Navigation debuted its newest product, Piksi Multi, at Intergeo 2016, which was held Sept. 11-13 in Hamburg, Germany. Piksi Multi is a multi-band, multi-constellation high-precision GNSS receiver for the mass market. A San Francisco-based startup, Swift Navigation introduced the first Piksi GNSS receiver in January. read more

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Expert Opinions: Testing and simulating against GNSS jamming, spoofing

November 8, 2016By
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Q: What special considerations should be taken into account for testing and simulating against GNSS jamming and spoofing?   A: Current integrations of GPS include a controlled reception pattern antenna (CRPA). Testing with a standard interference or jamming source will not provide accurate results. Wavefront generator simulators are capable of outputting signals that correctly stimulate the GPS receiver’s antenna electronics.... read more

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What’s GPS World’s biggest story of the year?

November 3, 2016By
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You tell us. Take this month’s Reader Poll by Nov. 16, choosing among eight of the news stories that received the most traffic on our website — or nominate your own choice. All participating are entered in a drawing to win a $50 gift card. Here are the nominees for Top GNSS/PNT News Story 2016. US Coast Guard issues GPS jamming alert... read more

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The System: First OCX receiver delivered to Air Force

November 3, 2016By
The first eight GPS III satellites are under contract and in production at Lockheed Martin’s GPS III Processing Facility outside of Denver.

Harris Corporation delivered the first of 34 modernized receivers to support the GPS Next-Generation Operational Control System (OCX). They will receive the signals sent by the current GPS satellite constellation plus the new signals sent by the next generation GPS III — 13 military and civilian signals in all. The receiver was shipped to the prime contractor, Raytheon Company, in... read more