Pet Sitting Firm Uses GPS, Custom SoftwareHigh tech has come to pet sitting and dog walking. The owner of Right At Home LLC, which provides services in metro Detroit and the Grand Rapids area, says he is using GPS devices and sophisticated software to improve his company's services.
UM Prof Says Solar Storms Can Foul Up GPS, Other ElectronicsRecent solar storms can fry oribiting electronics, endanger astronauts and even bother GPS devices, a University of Michigan professor says.

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