What is GPS?The Global Positioning System (GPS) is a worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations. GPS uses these "man-made stars" as reference points to calculate positions accurate to a matter of meters. In fact, with advanced forms of GPS you can make measurements to better than a centimeter! In a sense it's like giving every square meter on the planet a unique address. GPS receivers have been miniaturized to just a few integrated circuits and so are becoming very economical. And that makes the technology accessible to virtually everyone. !--google_ad_client = "pub-2141753384638792";/* 728x15, dibuat 08/03/26 */google_ad_slot = "5958615136";google_ad_width = 500;google_ad_height = 15;//-->script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">These...
