Patent ID: 6744406
Filing Date: 2004-06-01
Classification: G01S

Abstract:
A method for determining a desired position of a pseudolite at a site at a specified point in time, including the steps of:dividing the site into at least two areas of coverage including a first coverage area and a second coverage area; determining if the first coverage area is covered by at least one GPS satellite at the specified point in time; determining if the second coverage area is covered by at least one GPS satellite at the specified point in time; predicting an area of coverage of the site by at least one GPS satellite as a function of the determination of coverage of the first and second coverage areas at the specified point in time; determining a condition of reduced coverage as a function of the predicted area of coverage at the specified point in time; displaying the area having reduced coverage at the specified point in time on a terrain map; placing a pseudolite at a location at the site to provide coverage in the area having reduced coverage at the specified point in time; and displaying an area of coverage of the pseudolite on the terrain map at the specified point in time.