1. A method to define a geographical zone utilized to regulate a movable entity that has an attached transponder, comprising: loading from a computing device to a memory in a transponder a plurality of coordinates; mapping the coordinates on a pixilated image so as to assign one pixel to each coordinate of the plurality of coordinates, wherein the distance between each assigned pixel is configurable; connecting the plurality of assigned pixels with lines forming a contiguous and connected line that encloses an area in the pixilated image; and activating the pixels that lie on the lines in order to form a contiguous array of pixels that enclose a shape in the pixilated image.