GNSS

12 GNSS birds for December, and a document under the tree

December 23, 2015By

Just what every satnav engineer wanted for the holidays: a new Interface Control Document to unwrap under the tree. On Nov. 30, the European Commission (EC) published version 1.2 of the Galileo Open Service Signal In Space Interface Control Document (OS SIS ICD v1.2). The document provides the information for receiver and chipset manufacturers, application developers and service providers to... read more

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Expert Opinions: How many GNSS signals for a consumer-grade device?

December 23, 2015By
Greg-Turetzky-T

Question: What is the optimum number of GNSS signals to include/process in a consumer-grade PNT device? A: A chip should support four signals, being GPS/GLONASS/Galileo/Beidou, but only process two of them — choice depending on region, geopolitical sensitivity, constellation availability — dropping to one to save power when satellite availability is good. Two constellations give enough satellites for accuracy and... read more

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Directions 2016: Galileo — strategic tool for European autonomy

December 18, 2015By
Directions-Galileo-Fiammetta-Diani-W

The Galileo programme is currently in its deployment phase, which is due for completion in 2020. Following declaration of initial services in 2016, an exploitation phase will start and aim at delivering a fully operational system by the end of 2020. read more

GPS World 2015 Leadership Award dinner boasts visions for the future

December 16, 2015By
leadership-dinner-4-awards

GPS World‘s Leadership Awards were presented during a sponsored ceremony and dinner at ION GNSS+ 2015 in September in Tampa. The awards recognize significant recent achievement in four fields of position, navigation and timing: satellites, signals, services and products. Nominations came from a group of industry executives and the magazine’s Editorial Advisory Board. Votes were cast by a slightly larger... read more

Directions 2016: A new stage for the development of BeiDou

December 16, 2015By
Shuren Guo, deputy director of China Satellite Navigation Project Center.

In line with its three-step development plan, the BeiDou Navigation Satellite System (BDS) will constitute a complete space constellation by around 2020, when it will be comprised of five geosynchronous orbit (GEO) satellites and 30 non-GEO satellites, providing services for global users. read more

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Signed budget includes full GPS funding, except for $2M IIF reduction

December 16, 2015By

On Nov. 25, 2015, President Obama signed the National Defense Authorization Act (NDAA) for Fiscal Year 2016, after vetoing a previous version. The enacted NDAA complies with the two-year budget agreement, which called for a reduction in defense spending. The act reduces the GPS IIF line item by $2 million, citing “unjustified support growth” from the U.S. House of Representatives... read more

Directions 2016: GPS — dedicated to excellence

December 15, 2015By
Col. Steve Whitney, director, Space and Missile Systems Center’s Global Positioning Systems Directorate.

The year 2015 was an exciting one to assume leadership of the Global Positioning Systems Directorate. I’ve witnessed the men and women of our team accomplish some amazing things, across all of our efforts to modernize the constellation, and would like to take a moment to share our progress over the past year and set the vision for 2016 as we remain dedicated to excellence. read more

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Galileos in the zone for Thursday’s launch

December 15, 2015By
Galileo_s_Soyuz_launcher_node_O

News from the European Space Agency Galileos 11 and 12 are on the launch pad, attached to the top of their Soyuz rocket in readiness for this week’s launch. Europe’s next navigation satellites are due for launch at 11:51 GMT (12:51 CET, 08:51 local time) on Thursday, Dec. 17, from Europe’s Spaceport in French Guiana. On Dec. 10, the two satellites, already... read more

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