GNSS

System of Systems: DHS Receiver Improvements, Australian SBAS

March 6, 2017By
To improve precision navigation, a second-generation SBAS will use signals from both GPS and Galileo, and dual frequencies, to achieve even greater GNSS integrity and accuracy.

DHS Spells Out Receiver Improvements In early January, a new Department of Homeland Security (DHS) document appeared: “Improving the Operation and Development of Global Positioning System (GPS) Equipment Used by Critical Infrastructure.” The document focuses on receivers used in critical infrastructure, with an emphasis on timing receivers. It provides owners, operators, researchers, designers and manufacturers with information to improve the... read more

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GLONASS ground station goes live in South Africa

March 6, 2017By
GLONASS-SouthAfrica

A GLONASS ground station was officially commissioned in South Africa on Feb. 27. “Assembling and pre-commissioning work was completed on Nov. 25 to set up a measuring station on the premises of the Hartebeesthoek Radio Astronomy Observatory (HartRAO) as part of the agreement signed between Russia’s High-Precision Instrument Systems Company and South Africa’s HartRAO on Oct. 29, 2015,” said the... read more

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BeiDou launch schedule shared

March 6, 2017By

A launch schedule for future BeiDou satellites was reported on a space news discussion board. According to the schedule, the government of China is planning to launch 32 satellites through 2020. The schedule includes nine BeiDou-3 MEO satellites launched this year, and one replacement for a BeiDou-2 satellite, which retires in January 2018. The schedule is below: A PDF of the schedule is... read more

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GPS World editor to moderate innovation panel at Munich Summit

March 6, 2017By
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This year, the Munich Satellite Navigation Summit features an interactive session on the topic “Industry Meets Research: Innovation Drivers and Barriers in SMEs.” Fabio Dovis from Politecnico di Torino will chair the session, and GPS World magazine Publisher and Editor-in-Chief Alan Cameron will moderate the discussion. “Small and medium-sized enterprises (SMEs) and their innovative ideas are an important factor of... read more

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Lockheed responds to report on Air Force review of GPS III propulsion

March 6, 2017By

Lockheed Martin responded to a report by Bloomberg last week that the U.S. Air Force has opened a review of the propulsion systems used for Lockheed Martin’s GPS III and other military satellites, following a problem during an attempt to boost one into orbit. A Lockheed spokesperson said the first GPS III satellite passed all of its qualification testing and... read more

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GPS III satellite propulsion under US Air Force review

March 3, 2017By

The U.S. Air Force has opened a review of the propulsion systems used for Lockheed Martin’s GPS III and other military satellites after a problem during an attempt to boost one into orbit, according to the service, Bloomberg reports. The review has delayed the Air Force’s acceptance of Lockheed’s first GPS III satellite, which is 34 months late. The most recent... read more

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Friday is deadline for GPS OEMs to join live-sky spoofing event

March 1, 2017By

Friday is the deadline for GPS manufacturers to apply to test their equipment at a special event with live-sky test scenarios focused on spoofed GPS signals. The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) is offering an opportunity for manufacturers of GPS equipment used in critical infrastructure to test their products against GPS jamming and spoofing. The GPS Testing for... read more

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Research Online: Narrowband interference mitigation, spoofing interference classification

February 27, 2017By
Spectrum of the Adaptive Notch Filter output signal for various interference levels

Get a rundown on two GNSS presentations: one on narrowband interference mitigation and on on spoofing, jamming and multipath interference classification. read more