Communication software to access data stored on an oximeter and transfer data to another device; Computer application software for handheld computers, computers, media players, mobile electronic devices, and exercise equipment, namely, software for determining fare payments on public transport and receiving broadcast signals; Computer hardware and software systems for tracking people and objects using GPS data on a device on the tracked people and objects; Computer software and hardware for authorizing acces to databases, for business purposes, for communicating purposes between microcomputers, for database management; Computer software for accessing information directories that may be downloaded from the global computer network; Computer software for use in connection with vehicle tracking; Computer software for remotely monitoring and controlling the function and status of vehicle tracking devices, meters, smart cards and storage cards; Computer software for determining the rate of motion for a vehicle; GPS tracking device to be worn on the wrist of an athlete during endurance events; GPS tracking devices; Reflective and illuminated clothing for safety purposes; Satellite-aided navigation systems; Traffic management equipment, namely, display monitors, computers, auto compasses, and software to manage traffic