Table 6: 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 9˚ and 10˚ elevation angles.

MF Elevation angle 10˚ Elevation angle 9˚
min max mean rms min max mean rms
SA 26.62 85.96 57.64 16.83 28.18 92.83 62.20 18.16
HO 55.67 173.77 103.79 30.19 62.77 193.03 115.32 33.54
BL 6.02 -341.55 -107.48 40.07 6.53 -377.01 -118.61 44.23
CH 31.73 96.38 64.93 18.93 36.16 106.80 72.09 21.01
IF 34.07 103.80 69.94 20.39 39.36 117.10 78.93 23.00
HE 34.16 104.27 70.00 20.42 39.49 117.76 79.03 23.05
NI 34.51 104.03 70.95 20.69 39.98 117.88 80.03 23.33
M0 31.95 85.7 65.38 19.06 35.65 107.99 72.80 21.22
B&E 38.99 117.11 79.38 23.12 46.06 135.25 91.80 26.73
UNBabc 34.41 104.22 70.33 20.50 39.81 117.66 79.46 23.15

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