The 21st century has come along with a lot of new things that has helped to change our way of living. In the past years it was a very difficult thing for a person to go to a strange land or environment and find his way out easily. It was almost like an impossible thing for it was so certain that the person could get missing. The Invention of the handheld GPS by scientist has greatly turned the table around and today anybody can trace his way out any where and at any time with the help of this device.Formally, this type of technology was reserved only for military use. This was done with the help of the Satellite Navigation system developed in the 1960s.