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I want to learn car driving.Where can i get FREE driving lessons,tutorils,videos on the net?
GPS is a free service provided by the US DoD, there's no charge... just taxes.why do big trucks have so many tyres?
GPS is a permanent satellite signal that is beamed from all over the world from dzens of satellites. Think of it as a beep-beep-beep. The receiver has a sophisticated antenna and processor that determines the angle and position of at least three satellites and can calculate the position and altitude of you from the angles. Cool, isn;t it? Accurate to about 5-10 meters (30 feet or so) for non military use.Which is better (inside and out)...1988-1990 Toyota Camry, or Honda Accord?
Best yet...GPS costs NOTHING! except the cost of the receiver...just like buyng an AM/FM radio
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