Raytheon Company

Jeffrey W Lewellen

Walter M Golonka

James E Holderle

David R Heine

Thomas D Springsteen

James A Keebaugh

In one aspect, a method for determining a predicted performance of a navigation augmentation system includes determining a normal performance of the navigation augmentation system and determining a predicted performance of the navigation augmentation system based on determining the normal performance. In another aspect, a system for determining a predicted performance of a navigation augmentation system includes a long-term monitor for determining a normal performance of the navigation augmentation system and a short-term monitor for determining a predicted performance of the navigation augmentation system based on the normal performance of the navigation augmentation system.

Determining a predicted performance of a navigation system

In one aspect, the invention is the system for assessing a navigation augmentation environment. The system includes a reference station for receiving messages from a satellite. The reference station has a known position. The system also includes a simulator for simulating an augmentation system by determining corrections based on the messages received and the known position of the reference station. The system further includes a monitoring system to render the corrections to a user in a form enabling determination of the usability of the augmentation system in the navigation augmentation environment.

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West Covina, CA, United States of America

Jeffrey W Lewellen