n and data processing methods applicable to vehicle navigation systemUS4894662Apr 14, 1986Jan 16, 1990Western Atlas International, Inc.Method and system for determining position on a moving platform, such as a ship, using signals from GPS satellitesUS4943346Sep 1, 1989Jul 24, 1990Siemens AktiengesellschaftMethod for manufacturing printed circuit boardsUS4965586Oct 31, 1988Oct 23, 1990Geostar Corpo