GNSS

Galileos begin launcher hardware integration for Nov. 17 launch

November 1, 2016By
Two of the four Galileo satellites after their installation on the multi-passenger dispenser system, with a third positioned for its integration. (Photo: Arianespace)

The launch campaign for the Nov. 17 Galileo launch from the French Guiana spaceport has entered its latest phase of preparations, with the mission’s four satellite passengers being installed on their multi-payload dispenser system. The activity — performed in the Spaceport’s S3B clean room — clears the way for the satellites’ integration as a single unit atop the heavy-lift Ariane 5, which was transferred... read more

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DoD certifies GPS OCX program to Congress

October 28, 2016By
Frank Kendall, undersecretary of defense for acquisition, technology and logistics, announced Oct. 12 the continuation of an over-cost program supporting the global positioning system. Here, Kendall is briefed by Jose Romero-Mariona on cybersecurity science and technology during Kendall’s visit to Space and Naval Warfare Systems Center Pacific in San Diego, Aug. 24. (Navy photo by Aaron Lebsack)

By Karen Parrish, DoD News, Defense Media Activity An Air Force program that will provide a vital new command system for the global positioning system satellite constellation in the shortest time possible will continue despite cost growth, Defense Department officials have confirmed. The next-generation operational control system, known as OCX, reached what is called a Nunn-McCurdy breach on June 30. The Nunn-McCurdy... read more

Canada, US workshops focus on PNT threats

October 26, 2016By
highprecision-gps-l1-receiver-category

Two workshops convened in recent weeks in the U.S. and Canadian capitals, respectively, sought to bring into focus looming threats to the nations’ positioning, navigation and timing capabilities and critical infrastructures. Some of the threats are pervasive — jamming and spoofing — and formed the general topic of the Canadian workshop. Some threats are specific — powerful terrestrial transmitters overwhelming... read more

South Korea, Thales to develop SBAS for aviation

October 25, 2016By

South Korea and France’s Thales Group will jointly develop an advanced Satellite-Based Augmentation System (SBAS) for GPS by 2021. The country’s state-run Korea Aerospace Research Institute (KARI) will sign a $40 million deal with Thales Group on Oct. 26, according to the Ministry of Land, Infrastructure and Transport. The new SBAS, dubbed KASS (Korean Augmentation Satellite System), especially will help... read more

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4 Galileos ‘topped off’ for November launch

October 24, 2016By
galileo-arianespace-fueling-o

Fueling operations have begun with the four Galileo spacecraft to be launched Nov. 17 from French Guiana. This will be launch contractor Arianespace’s first launch using its Ariane 5 rocket to deploy Europe’s constellation of navigation satellites. The fueling activity is now underway in the Spaceport’s S3B payload preparation facility. One of the first to be processed is named “Antonianna,” after an Italian child... read more

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How to dissolve funding logjams in Congress

October 21, 2016By

[Editor’s note: This is the Signals Leadership Award acceptance speech given by Clark Cohen at GPS World’s 2016 Leadership Dinner in September. The Award was recognized the development of alternates to GPS based on communication satellites: a method for adding high-accuracy ranging capability to Iridium by modifying the transmitted signal structure of an already flying, programmable constellation. ] Thank you... read more

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Research: GNSS receiver fingerprinting

October 17, 2016By
borio-gnss-fingerpint

GNSS Receiver Fingerprinting for Security-Enhanced Applications   By Daniele Borio, Ciro Gioia, Gianmarco Baldini and Joaquim Fortuny, European Commission, Joint Research Centre (JRC), Directorate E: Space, Security & Migration. Presented at ION GNSS+, September 2016. GNSS data faking is similar to node forgery in a wireless network: A simulator or another device can be used to impersonate an actual GNSS... read more

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Raytheon, US Air Force complete GPS OCX test milestone

October 13, 2016By
Testing demonstrates end-to-end functional checkout, integration of Block 1 capabilities.(Image: Raytheon)

Raytheon has reached another milestone in its development of the U.S. Air Force’s Global Positioning System Next Generation Operational Control System, known as GPS OCX. This new system offers significant improvements to the GPS on which the U.S. military and millions of civilians rely, including enhanced availability, accuracy and security. OCX’s development is delivered in “blocks,” with Block 0 comprising... read more