ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,220, issued on Sept. 29, was assigned to Reliable Robotics Corp. (Mountain View, Calif.).

"Radar altimeter augmented receiver autonomous integrity monitoring in aircraft" was invented by Robert W. Rose (Los Altos, Calif.), Matthew Thomas Nehrenz (Campbell, Calif.) and Samuel P. Pullen (South San Francisco, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft receives pseudorange input from a plurality of satellites of an augmentation system. Each pseudorange input includes a precise position solution and error data. The aircraft receives a high frequency measurement from an inertial navigation system. The aircraft applies the precise p...