Seniors Go GPS |
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| Tuesday, 17 June 2008 07:38 |
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Sunrise Senior Living You may not know where you're going, but with a global positioning system (GPS) device installed in your car you never have to worry about getting lost. You can drive around a new town as if you were a lifelong resident. A GPS device has three basic parts. The receiver taps into the NAVSTAR system originally developed in 1973 by the U.S. Department of Defense for military purposes. The NAVSTAR network consists of 30 satellites orbiting the earth every 12 hours. To determine your position, the receiver locks onto at least four of these satellites and triangulates your position using long-forgotten equations from your trigonometry class. The GPS device also stores a comprehensive selection of maps. Once it locates your position, the GPS pulls up the appropriate map and overlays your position on it. Finally, the GPS device has the ability, like such Web sites as MapQuest or Google Maps, to chart your course. You use a GPS by entering your destination, either by pinpointing it on a map or typing in its address on the touch screen. Your GPS then takes over, locates you, determines the best route from your current location to your destination, and provides you with voice commands as you move across the landscape. GPS devices are designed to be forgiving. If you miss a turn, the GPS will recalculate your route and provide new directions—without comment! When choosing a GPS, take into account the following considerations:
Sunrise Senior Living --- |
| Last Updated ( Tuesday, 09 September 2008 18:21 ) |
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