Most new phones are equipped with GPS (Global Positioning System) can be tracked provider. These types of phones, you can track satellites orbiting the Earth. These satellites has only been used by the Government to help during the war, but in the past few years, this technology has been put into use in many new and different ways.
The basic principles behind the GPS technology, so that this work is an ancient practice of triangulation. If you are not familiar with this approach, it is basically like a job. You use two very unique attractions to mark the center. The thing is that you need to know the exact distance of two milestones in order to make this approach precise. Once you know the exact distance of the two milestones, make your own to become the third vectors to complete the triangle.
GPS using your cell phone and global positioning system inside, and use of satellite as its two basic logo. According to the signal far away from the relative positions of satellites in the sky, a computer can calculate the location of the release of signal transmission device to within a few feet.



