Computer software that is a real-time event processing engine which consumes XML-based event messages from multiple event sources and updates a set of user-defined data elements based on a set of user-maintainable event processing policies; The software may be downloaded from a global computer network

Antennas for wireless navigation and spatial orientation apparatus; time multiplexed, multiband, multiprotocol and beam-steering antenna systems that extend navigation and beam-forming performance into high-multipath settings, especially throughout urban, campus, indoor or in-building environments, comprised of multiple antennas and computer hardware and software to control same