static void Main(string[] args) { // Must contain at least 2 valid coordinates GeoCoordinate[] waypoints = new GeoCoordinate[] { new GeoCoordinate(38.048196, -121.089409), new GeoCoordinate(38.041013, -121.091238), new GeoCoordinate(37.984013, -121.103238) }; VehicleTracker gpsTracker = new VehicleTracker(waypoints); Vehicle car = new Vehicle(); car.Subscribe(gpsTracker); gpsTracker.StartTracker(); }