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4. 992 Federal Radionavigation Plan, Departments of Transportation and Defense, DOT-VNTSC-RSPA-92-2/DOD-4650.5, Seventh Edition, Washington, D.C.
5. Davis, J. and Kelly, R., Required Navigation Performance (RNP) Tunnel Concept for Precision Approach and Landing, FAA Satellite Operational Implementation Team, Herndon, VA, October 31-November 4, 1994.
6. Procedures for Air Navigation Services-Aircraft Operations [PANS-OPS], Volume ?, Construction of Visual and Instrument Flight Procedures, Doc. 8 168- OPS, ICAO, Montreal, First Edition, 1979.
7. Loh, R. et al., FAA/Honeywell/Northwest Airlines GPS Flight Test Program: Summary of Results and Their Implications, ION GPS-92, Fifth Technical Meeting of The Institute of Navigation, Albuquerque, NM, September 1992.
8. Loh, R., FAA'S Wide Area Augmentation System, GPS World, Advanstar Communications, Eugene, OR, April 1995, pp. 20-30.
9. Lage, M. E. and Elrod, B. D., GAIM-Ground Autonomous Integrity Monitoring for GPS, National Technical Meeting of The Institute of Navigation, San Francisco, CA, January 20-22, 1993.
10. Lage, M. E. and Elrod, B. D., Flight Testing and Evaluation of Wide Area Differential GPS, National Technical Meeting of The Institute of Navigation, San Francisco, CA, January 1993, pp. 415-23.
11.Haas, F. M., Lage, M. E., and Kalinowski, S. M., GPS Wide Area Augmentation System (WAAS.) Phase ID Testbed Results, 50th Annual Meeting of The Institute of Navigation, Colorado Springs, CO, June 6-8, 1994.
12.El-Arini, M. B. et al., Comparison of Real-Time Ionospheric Algorithms for a GPS Wide-Area Augmentation System (~WAAS), NAVIGATION, Journal of The Institute of Navigation, Vol. 41, No. 4, Winter 1994-95.
13. Wullschleger, V. T., OLaughlin, D. G., and Haas, F. M., FA.4 Flight Test Results for GPS Wide Area Augmentation System (WAAS) Cross-Country Demonstration, Proceedings of the 50th Annual Meeting of The Institute of Navigation, June 6-8, 1994.
14. Haas, F. M. and Lage, M. E., Analysis of Recent Wide Area Augmentation System (WAAS) Flight Tests, Proceedings of the National Technical Meeting of The Institute of Navigation, Anaheim, CA, January 18-20, 1995, pp. 347-55.
15. Wullschleger, V., Velea, R., Butler, R., Toucer, A., Dimeo. M., and Loh, R., FAA's Wide Area Augmentation System (WAAS): Initial Results of Cross-Country Flight Test, Proceedings of GPS-94, Seventh International Technical Meeting of The Institute of Navigation, Salt Lake City, UT, September 20-23, 1994.
16. Loh, R., Wullschleger, V., and Butler, R., FAA'S Wide Area Augmentation System (WAAS) System: Summary of Cross-Country Flight Test, Proceedings of the National Technical Meeting of The Institute of Navigation, Anaheim, CA, January 18-20, 1995, pp. 167-73.
