Featured Stories

BeiDou Numbering Presents Leap-Second Issue

March 3, 2015By
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During preparation of playback scenarios for the upcoming leap-second event taking place in June, engineers at Racelogic identified a potential pitfall for GNSS engineers. The difficulty arises from the fact that BeiDou uses a different “day number” for the date to apply the leap second, compared with GPS and Galileo. GPS and Galileo use 1-7 as week day numbers, and... read more

Expert Advice: A Leap into the Unknown?

March 1, 2015By
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A leap second will be introduced this year at 23:59 on June 30. This phenomenon comes around periodically and is necessary for keeping UTC in line with the Earth’s slowing rotation. Although it will pass unnoticed by most, it has implications for anyone involved in the development of GNSS-enabled devices. For some, it can be the cause of a major headache. read more

Study of Atmospheric ‘Froth’ May Help GPS Communications

February 26, 2015By
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GPS World Innovation editor Richard Langley has co-authored a study, described below, exploring how irregularities in Earth’s upper atmosphere can distort GPS signals, an important step toward mitigation. read more

Markey Report Concerns Connected Vehicle Industry

February 26, 2015By
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Sen. Ed Markey’s new car technology report, released earlier this month, basically says that connected vehicles can be hacked, causing danger to drivers and presenting major privacy concerns. While some critics believe Markey’s report was meant to drive media hysteria, others say it raises serious issues that the industry needs to address. In other location news, I'll be covering the Mobile World Congress in Barcelona for GPS World. What will be the showcased location technology? Wearables? Connected vehicles? Or something new? read more

Volvo Presents System for Integrating Autonomous Cars into Traffic

February 23, 2015By
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Volvo Cars has a complete system solution that makes it possible to integrate self-driving cars into real traffic, with ordinary people in the driver’s seat. The automaker presented its planned system in an online press conference Feb. 19. “We are entering uncharted territory in the field of autonomous driving,” said Peter Mertens, senior vice president of Research and Development, Volvo Car Group. “Taking the... read more

When in Rome…Check Galileo’s Performance

February 20, 2015By
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The Thales Alenia Space plant in the eastern suburbs of Rome is home to a facility that provides a troubleshooting platform for the Galileo ground network and an assessment of the performance of the satnav constellation. read more

Third, Fourth Galileo FOC Satellites Confirmed Fit for Soyuz Launch

February 17, 2015By
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The third and fourth Galileo Full Operational Capability (FOC) satellites are a confirmed “fit” for their Arianespace Soyuz launch March 27, having made initial contact with the mission’s dual-payload dispenser in French Guiana, according to Arianespace. The fit check was completed over a two-day period inside the Spaceport’s S1A payload preparation building. The two satellites were installed separately, with the... read more

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FAA Proposes New Rules for Unmanned Aircraft Systems

February 17, 2015By
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  The Federal Aviation Administration has proposed a framework of regulations that would allow routine use of certain small unmanned aircraft systems (UAS) in today’s aviation system for commercial purposes. “We have tried to be flexible in writing these rules,” said FAA Administrator Michael Huerta in a statement. “We want to maintain today’s outstanding level of aviation safety without placing an... read more

This article is tagged with , , , , and posted in Featured Stories, Latest News, UAV/UGV