Yun, H., Kee, C. and Kim, D., "Korean Wide Area Differential Global Positioning System Development Status and Preliminary Test Results", International Journal of Aeronautical and Space Science, Vol. 12, No. 3, 2011, pp. 274-282.
Yun, H., Han, D. and Kee, C., "A Preliminary Study of Korean Dual-Frequency SBAS", Journal of Positioning, Navigation, and Timing, Vol. 3, No. 1, 2014, pp. 11-16.
Montenbruck, O., Gill, E. and Kroes, R., "Rapid orbit determination of LEO satellites using IGS clock and ephemeris products", GPS Solution, Vol. 9, 2005, pp. 226-235.
Rho, H. and Langley, R., "The Usefulness of WADGPS Satellite Orbit and Clock Corrections for Dual-Frequency Precise Point Positioning", Proceeding of the 20th International Technical Meeting of the Satellite Division of The Institute of Navigation, Fort Worth, TX, September 2007, pp.939-949.
Kaplan, E. D., Understanding GPS, Principles and Applications, Artech House, 1996.
Tsai, Y. J., Wide Area Differential Operation of the Global Positioning System: Ephemeris and Clock Algorithms, Ph.D. thesis, Aug., 1999, Stanford University
Soong, T., "On A Priori Statistics in Minimum Variance Estimation Problems", Transaction of ASME, Series D, Journal of Basic Engineering, Vol. 87, 1965, pp. 109-112.
Heng, L., Gao, G. X., Walter, T. and Enge, P., "Statistical Characterization of GPS Signal-In-Space Errors", International Technical Meeting 2011
Kee, C., Walter, T., Chao, Y., Tsai, Y., Enge, P. and Pakinson, W., "Comparison of Master Station and User Algorithms for Wide-Area Augmentation System", Journal of Guidance, Control, and Dynamics, Vol. 20, No. 1, January-February 1997.
Han, D., Yun, H. and Kee, C., "Performance analysis of WA-DGNSS in Korea with the selection of reference stations", Journal of Port Res. Vol. 37, No. 4, 2013, pp. 367-373.
MOPS, Minimum Operational Performance Standards for Global Positioning System / Wide Area Augmentation System Airborne Equipment, RTCA DO-229D, Dec. 13, 2006, RTCA, Inc.
Walter, T., Hansen, A. and Enge, P., "Message Type 28", Proceedings of the 2001 National Technical Meeting of The Institute of Navigation, Lone Beach, CA, January 2001, pp. 522-532.