XtremeMac FreeFall Satellite Simulator and Screen Saver Simulates the flight path of more than 850 actual satellites -- Global Positioning Systems, GOES, NOAA and other unclassified orbiters used by amateur radio stations, weather services, search and rescue teams and more Stand-alone satellite discovery and exploration application that utilizes the power of Mac OS X to seamlessly transition from one perspective to another 3-D viewer interacts directly with the simulator, letting you control dozens of preferences and perspectives Create and save your own unique simulation experiences or choose from one of 8 built-in simulations Compatible with