The Exciting World of GPS -Part Ⅰ

摘要

Where in the world are we? With GPS or a Global Positioning System, it is easy to answer that question. In our high-tech, modern world, you cannot escape the acronym GPS. No matter your occupation or your station in life, GPS is everywhere: in your car; in your cell phone; they may eventually be implanted in your body at birth. In public safety, we accept GPS as a context of our work-life. It is a tool to support us to be more efficient and accurate at our tasks. So what is this omnipresent technology we have come to call GPS?