Just one year ago, the Bush administration announced it would keep the ground-based LORAN system operational to serve as a backup for the satellite-based global positioning systems, which are becoming ubiquitous in cars, planes and ships.

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Look at Garmin, which commercialized a technology with roots in defense: satellite-based global positioning.

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Look at Garmin (nasdaq: GRMN - news - people ), which commercialized a technology with roots in defense: satellite-based global positioning.

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The study, the first of its kind to use the satellite-based global positioning system to provide the animals' locations, involved tagging 14 African elephants with sophisticated radio collars and monitoring their movements for several months.

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Even today in the world of satellite based GPS and the fairly exact positioning information it can provide, it is always best to have a paper chart or map and the needed tools in case your electronic ones fail so you are not left stranded and unable to find your way home.

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