Table 5: 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 15˚ and 30˚ elevation angles.
MF |
Elevation angle 30˚ |
Elevation angle 15˚ |
min |
max |
mean |
rms |
min |
max |
mean |
Rms |
SA |
9.62 |
33.00 |
22.19 |
6.48 |
21.44 |
69.53 |
46.42 |
13.55 |
HO |
18.14 |
60.19 |
35.93 |
10.46 |
35.93 |
116.39 |
69.48 |
20.21 |
BL |
2.31 |
-121.18 |
-38.15 |
14.21 |
4.33 |
-232.23 |
-73.108 |
27.72 |
CH |
9.83 |
33.39 |
22.47 |
6.56 |
19.89 |
64.60 |
43.49 |
12.69 |
IF |
9.90 |
33.58 |
22.59 |
6.60 |
20.56 |
66.75 |
44.95 |
13.12 |
HE |
9.90 |
33.59 |
22.60 |
6.60 |
20.58 |
66.87 |
44.95 |
13.12 |
NI |
10.04 |
33.97 |
22.98 |
6.71 |
20.87 |
67.40 |
45.66 |
13.32 |
M0 |
9.83 |
33.37 |
22.45 |
6.56 |
19.92 |
64.69 |
43.56 |
12.71 |
B&E |
10.06 |
34.02 |
22.91 |
6.69 |
22.02 |
70.69 |
47.74 |
13.92 |
UNBabc |
9.91 |
33.60 |
22.61 |
6.60 |
20.67 |
66.88 |
45.07 |
13.15 |