When you are lost and you cannot find your way it is a good idea to have a GPS tracking system in your car, you will receive directions on how to get to the place you need to get to. Above the earth there are many satellites orbiting the earth that are continually communicating and providing information about where the vehicle is located on the earth. GPS or Global Positioning System ... https://freess.io/bbs/board.php?bo_table=dnf