3Farah A, Moore T, Hill C J. High spatial variation tropospheric model for GPS-data simulation. Journal of Navigation, 2005, 58(3): 459 -470.
4Niell A E. Global mapping functions for the atmosphere delay at radio wavelengths. J. Geophys. Res., 1996, 101(B2): 3227-3246.
5Teresa M, Van H, Chris A, et al. Atmospheric water vapor as noise and signal for global positioning system applications. 6th Int. Tech. Meeting of the Satellite Division of ihe U. S. Inst. Of Navigation, Salt Lake City, Utah, 1993, September 22-24: 797-804.
6Fang P, Bevis M, Bock Y, et al. GPS meteorology: reducing systematic errors in geodetic estimates for zenith delay. Geophys. Res. Lett. , 1998, 25(19): 3583 -3586.
7Emardson T R, Elgered G, Johansson J M. Three Months of continuous monitoring of atmospheric water vapor with a network of Global Positioning System receivers. J. Geophys. Res. , 1998, 103(D2):1807- 1820.
8Bromwich D H, Wang S H. Evaluation of the NCEP NCAR and ECMWF 15- and 40-yr reanalyses using Rawinsonde data from two independent Arctic field experiments. American Meteorological Society, 2005, 133(12): 3562-3578.
9Pany T, Pesec P, Stangl G. Elimination of tropospheric path delays in GPS observations with the ECMWF numerical weather model. Physics and Chemistry of the Earth, Part A : Solid Earth and Geodesy, 2001, 26(6 8) : 487- 492.
10Ibrahim H E, EI-RRabbany A. Regional stochastic models for NOAA based residual tropospheric delays. The Journal of Navigation, 2008, 61(2) : 209-219.
