Table 4: 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 45˚ and 60˚ elevation angles.
MF |
Elevation angle 60˚ |
Elevation angle 45˚ |
min |
max |
mean |
rms |
min |
max |
mean |
rms |
SA |
5.55 |
19.23 |
12.93 |
3.78 |
6.80 |
23.49 |
15.78 |
4.61 |
HO |
10.41 |
34.74 |
20.73 |
6.03 |
12.77 |
42.28 |
25.38 |
7.38 |
BL |
1.35 |
-70.10 |
-22.07 |
8.23 |
1.60 |
-86.08 |
-27.03 |
10.08 |
CH |
5.60 |
19.26 |
12.95 |
3.78 |
6.89 |
23.59 |
15.85 |
4.63 |
IF |
5.60 |
19.25 |
12.95 |
3.78 |
6.90 |
23.61 |
15.87 |
4.63 |
HE |
5.60 |
19.25 |
12.95 |
3.78 |
6.90 |
23.62 |
15.87 |
4.63 |
NI |
5.68 |
19.48 |
13.17 |
3.85 |
7.00 |
23.89 |
16.14 |
4.72 |
M0 |
5.60 |
19.25 |
12.95 |
3.78 |
6.89 |
23.58 |
15.85 |
4.63 |
B&E |
5.60 |
19.27 |
12.96 |
3.79 |
6.94 |
23.72 |
15.95 |
4.66 |
UNBabc |
5.60 |
19.25 |
12.95 |
3.78 |
6.90 |
23.62 |
15.87 |
4.64 |