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As scary as it may be, the US Department of Defense has been using satellite technology to track the location of targets anywhere on Earth with pinpoint accuracy for the last thirty years. GPS, or Global Positioning System technology, lets GPS portable receivers pick up transmissions from four of the twenty-four tracking satellites.

By interpolating the data from the four satellites, GPS portable receivers are able to get a very clear picture of their own longitude and la…

GPS, or global positioning systems, have been around since the 1970s, when the US Department of Defense established a program using a group of twenty-one satellites to track the locations of their targets and send the information to military receivers. In the ensuing three decades, GPS technology has been adapted for civilian use, and is now widely available to the public. Commercially available GPD receivers can range in price to about $100 for a handheld unit to more than $…

What It Is and How It Works For the uninitiated, GPS stands for Global Positioning System. It’s a method of finding a receiver anywhere on earth or in orbit, and it’s probably one of the most important inventions of the 20th century. GPS can be used in so many varied ways that new technologies are constantly being developed and improved in order to take advantage of it. Now why is GPS so important and useful? First, we have to understand how it works.

In order to wo…

This holiday season; protect loved ones by giving them an automotive GPS navigational system from Magellan. The long winter months can make driving very hazardous especially when trying to watch the road and read a paper map at the same time. You can help by giving a Magellan GPS unit that has a color monitor with detailed and accurate directions that will alert drivers if they miss a turn or have to take another way. With rerouting capabilities, drivers will arrive safely at…