The GD300 uses a quadra-helix antenna for real-time global positioning that defies interference even when the user is positioned in mountainous regions or urban environments.

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For example, researchers in Arizona are using real-time kinematic global positioning systems, an ultra-precise version of GPS that can measure positions with sub-inch accuracy levels, to control weeds in cotton fields with steel cultivators.

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One scheme called Londonet, devised by Alistair Jeffs and his team, suggests using smart cards, global positioning satellites, wireless communications and real-time personal information devices to revolutionise how Londoners go about their lives.

ECONOMIST: Cars

This is why most improvements in bizjets during the last 40 years have come from outside the industry--electronic engine controls, global-positioning satellites, moving-map displays, downloadable real-time weather, etc.

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By making it possible to track customers in the physical world as easily as we do on the Web, indoor positioning is poised to bring the power of web analytics into the physical world, giving us real-time insights into human behavior and habits on a massive scale.

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