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| Protect Your Vehicle From Theft Using GPS Technology Posted: 20 Jun 2011 10:14 AM PDT What is GPS and how did it start? A satellite based direction-finding system made up of twenty four satellites was initially placed into orbit by the U.S. Department of Defense. In 1980 they opened the system for civilian use. The satellites are in orbit continuously working in all conditions and there are no subscription fees [...] Post from: 4insure |
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