News tagged with satellite navigation system

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New 4G network could cause widespread GPS dead zones

(PhysOrg.com) -- If a plan to build new 4G mobile phone base stations in the US goes ahead, engineers say GPS satellite navigation systems will be seriously jammed and huge areas of the country will become ...

Feb 23, 2011 report
4.2 / 5 (12) 7 | with audio podcast

US army seeks new technology to replace GPS

The US army is working to limit its dependence on GPS by developing the next generation of navigation technology, including a tiny autonomous chip, the director of the Pentagon's research agency said Wednesday.

Apr 25, 2013
4.1 / 5 (12) 5

China's satellite navigation system live

China's home-grown satellite navigation system launched a limited positioning service Tuesday, the official Xinhua news agency said, as the country seeks to break its dependence on foreign technology.

Dec 27, 2011
4.6 / 5 (9) 5