PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-02:42:40
G01     310.1          30.7                6.8 +/-    0.93      11.7 +/-    0.93  0.040 / 0.050
G10     101.4          43.8                9.7 +/-    0.38      13.3 +/-    0.38  0.040 / 0.040
G11     284.5          29.2                9.9 +/-    0.73      17.6 +/-    0.73  0.080 / 0.130
G14     352.0          68.1                7.5 +/-    0.35       8.0 +/-    0.35  0.080 / 0.120
G18     114.4          17.8                8.2 +/-    1.50      19.0 +/-    1.50  0.080 / 0.110
G22     307.9          22.4                9.1 +/-    2.87      19.0 +/-    2.87  0.070 / 0.160
G25     82.7           15.0                9.8 +/-    1.64      24.4 +/-    1.64  0.080 / 0.220
G31     172.7          59.1               11.1 +/-    0.68      12.7 +/-    0.68  0.110 / 0.210
G32     28.3           57.3                7.7 +/-    1.09       8.9 +/-    1.09  0.030 / 0.040