Imagine being lost on a cold, dark road that twists and turns. You want to get to your destination, but you have made an incorrect turn. You can’t pull over as the shoulder isn’t wide enough.
It’s Christmas and you simply would like to see your folks. Unfortunately, this scene is common, especially round the vacations. [...]
This system uses a synthetic constellation of twenty-four medium Earth orbit satellites. These satellites broadcast microwave signals, so enabling a GPS receiver to figure out its location, speed, direction and time. This satellite constellation is managed by US Air Force fiftieth Space Wing. After shoot down of Korean Air Lines Flight 007 in the year [...]
Are you one of those people that would rather drive in town for hours than stop and ask for directions? If that is the case a Global Positioning System (GPS), might be the ideal tool for you. GPS tracks a person’s location or provides direction, all by employing an existing satellite system. GPS units are [...]