student at the same institution. Allan Manz is currently doing GPS receiver research and development for NovAtel Inc. Prior to joining NovAtel Inc., he was employed by the National Research Council of Canada to investigate autonomous collision avoidance on mobile platforms. Michael Clayton is a computer systems engineer with over twenty years of progressive responsibility developing and managing system solutions to meet user requirements. Michael graduated from the Royal Military College in 1978 with a Bachelor of Engineering (Electrical) and from Carleton Universit