Gyroscopes, accelerometers and altimeters provide more accurate positioning than is possible using global-positioning system (GPS) satellites alone.

ECONOMIST: Inside story

The Air Force learned how to take out any enemy it could find a generation ago when it began deploying munitions that could utilize the very accurate military signal transmitted by Global Positioning Satellites.

FORBES: Air Force Positions For Resurgence In Pacific Era

As Global Positioning System (GPS) chip sets have dropped in price and become more accurate, companies including Google, Microsoft and Yahoo are basing their contextual advertising platforms on them.

FORBES: Connect

These observations were systematized, made spatially accurate and registered on the spot through the development of a mini-computer equipped with a global positioning system that hunters affixed to their snowmobiles.

UNESCO: Social and Human Sciences