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Flight Trials of the Wide-Area Augmentation System (WAAS)
Flight Trials Wide-Area Augmentation System WAAS
2015/6/29
The Wide-Area Augmentation System (WAAS) is being rapidly developed by the Federal Aviation Administration for supplemental operational use in 1997. In time, it will be a primary navigation aid for al...
A New Method for Coverage Prediction for the Wide Area Augmentation System (WAAS)
Coverage Prediction Wide Area Augmentation System (WAAS)
2015/6/29
To provide a detailed analysis framework for WAAS accuracy prediction, a new method has been developed which combines GPS geometry simulation with least squares covariance analysis. This approach cons...
Performance Evaluation of On-Airport Local Area Augmentation System Architectures
Performance Evaluation On-Airport Local Area Augmentation System Architectures
2015/6/29
Recently there has been growing demand for a Category III precision landing system architecture which is completely contained on airport property. In response, Stanford is exploring different Local Ar...
Flight Test Evaluation of a Prototype Local Area Augmentation System Architecture
Flight Test Prototype Local Area Augmentation System Architecture
2015/6/29
A Local Area Augmentation System (LAAS) architecture alternative has been developed to provide satellite navigation performance compliant with the stringent requirements for aircraft precision approac...
Long Term Monitoring of Ionospheric Anomalies to Support the Local Area Augmentation System
Long Term Monitoring Ionospheric Anomalies Local Area Augmentation System
2015/6/25
Extremely large ionospheric gradients can pose a potential integrity threat to the users of Local Area Augmentation System (LAAS), and thus the development of an ionospheric anomaly threat model is es...