Latest News

Galileo clock anomalies under investigation

January 19, 2017By
Rubidium atomic clock, or RAF.

The European Space Agency today issued a press release addressing the Galileo clock failures reported Wednesday. GPS World Innovation editor Richard Langley provided the following summary of the satellites and clocks involved, based on information we have received to date. 5 satellites affected: 3 IOVs, 2 FOCs Total of 10 failures; 1 fixed; so 9 continuing failures 5 masers on... read more

This article is tagged with , , , , and posted in GNSS, Latest News

Clocks fail on some Galileo satellites, backups working

January 18, 2017By
Passive hydrogen maser atomic clock of the type flown on Galileo, accurate to one second in three million years. (Photo: ESA)

Clocks have failed onboard several Galileo satellites in space, reports Phys.org, a web-based science, research and technology news service. The cause of the failure is being investigated, European Space Agency director general Jan Woerner told journalists in Paris on Wednesday. Each Galileo satellite has four atomic timekeepers — two rubidium and two hydrogen maser. Three rubidium and six hydrogen maser clocks are not... read more

This article is tagged with and posted in GNSS, Latest News

Improve your detection and mitigation of signal interference in free webinar

January 18, 2017By
Harmful

New speakers have been announced for GPS World‘s Feb. 2 webinar, “Signal Interference: Detection and Mitigation.” Rick Hamilton, U.S. Coast Guard Navigation Center and Civil GPS Service Interface Committee; Connor Brashar, The MITRE Corporation; and Patrick Casiano, NovAtel, will present a range of sub-topics spanning ways to maximize PNT performance and efficiency. As the number of GNSS signals being tracked increases, so does... read more

Indian government warns airlines to use GAGAN

January 17, 2017By

The government of India has warned domestic airlines of “consequences” if they do not use GAGAN, the state’s GPS-Aided Geo Augmented Navigation system, reports the Mumbai Mirror. The warning came during a meeting called by the Directorate General of Civil Aviation (DGCA) in December with all stakeholders, including the airlines. Most aircraft registered in India are still not equipped with... read more

This article is tagged with , , , , , , and posted in GNSS, Latest News, Transportation

SpaceX launches first batch of Iridium NEXT satellites

January 17, 2017By
A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4E at Vandenberg Air Force Base, California, Jan. 14. (Photo: SpaceX)

Iridium Communications Inc. has successfully launched its first 10 Iridium NEXT satellites, which will support real-time automatic dependent surveillance broadcast (ADS-B) operations in oceanic regions. Iridium NEXT is the company’s next-generation satellite constellation, replacing and enhancing its existing network of low-Earth orbit satellites spanning the entire globe — the largest commercial satellite constellation in space. The satellites were delivered into low-Earth orbit an hour after... read more

This article is tagged with , , , , and posted in Featured Stories, Latest News, Transportation

Australia to invest $12 million to test SBAS positioning technology

January 17, 2017By
australia-T

The Australian Government will invest $12 million in a two-year program looking into the future of positioning technology in Australia. The funding includes testing of satellite-based augmentation systems (SBAS) that can offer instant, accurate and reliable positioning technology. The improvements in positioning could provide future safety, productivity, efficiency and environmental benefits across many industries in Australia, including transport, agriculture, construction and resources. The... read more

This article is tagged with , , , , , and posted in Latest News, Transportation

Raytheon completes qualification testing of GPS launch and checkout system

January 17, 2017By

Raytheon reached another milestone in developing the GPS Next-Generation Operational Control System, known as GPS OCX, with the completion of the factory qualification test of the Launch and Checkout System (LCS). GPS OCX will enable dramatically increased performance and security of the GPS system that benefits millions of people worldwide. Raytheon tested 74 OCX segment requirements at its Aurora, Colorado, factory in... read more

This article is tagged with , , and posted in GNSS, Latest News

FCC seeks public comments on receivers using Galileo signals in US

January 17, 2017By

The Federal Communications Commission (FCC) is inviting public comments on the European Commission’s request for a waiver of licensing requirements applicable to Galileo receivers in the U.S. Comments are due Feb. 21, 2017. If the waiver is approved, Galileo-capable receivers won’t need to be licensed in the U.S. Right now, FCC rules require that receivers operating with non-U.S. licensed space stations... read more

This article is tagged with and posted in GNSS, Latest News