Table 3: Mean and rms of the wet tropospheric delay errors of the differences between the delays computed using the mapping functions and the ray trace results at 75˚ and 85˚ elevation angles.

MF Elevation angle 85˚ Elevation angle 75˚
min max mean rms min max mean rms
SA 4.83 16.70 11.26 3.20 4.98 17.25 11.60 3.89
HO 9.04 30.19 18.02 5.24 9.33 31.15 18.59 5.40
BL 1.18 -60.95 -19.18 7.15 1.22 -62.85 -19.78 7.38
CH 4.86 16.72 11.25 3.29 5.02 17.25 4.60 3.39
IF 4.86 16.71 11.25 3.28 5.02 17.24 11.60 3.39
HE 4.86 16.72 11.25 3.28 5.02 17.24 11.60 3.39
NI 4.94 16.91 11.44 3.34 5.08 17.45 11.80 3.45
M0 4.86 16.72 11.25 3.28 5.02 17.75 11.63 3.38
B&E 4.86 16.72 11.28 3.29 5.02 17.24 11.60 3.38
UNBabc 4.86 16.71 11.25 3.28 5.02 17.24 11.60 3.39

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