Make smarter decisions and shot lower scores using their technology arccos combines live shot mapping with rangefinder gps distances to any point on 40 000 courses so youll always know which club to hit live shot tracking automatically records every shot a golfer makes and analyses the data in real time to enhance on course decision making gps 20 combines hands free shot mapping with rangefinder distances in yards or meters to any point on more than 40 000 courses tour analytics breaks dow