PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/01-02:12:50
G01     314.5          26.2                3.0 +/-    1.51       5.6 +/-    1.51  0.100 / 0.390
G10     94.4           46.7                6.9 +/-    1.43       9.0 +/-    1.43  0.070 / 0.130
G11     291.7          27.4                6.5 +/-    1.68      12.1 +/-    1.68  0.070 / 0.130
G14     328.1          70.5                6.9 +/-    1.03       7.3 +/-    1.03  0.080 / 0.130
G18     292.4          46.9                6.3 +/-    1.14       8.3 +/-    1.14  0.050 / 0.060
G20     93.7           61.4               11.1 +/-    1.07      12.5 +/-    1.07  0.040 / 0.060
G22     305.4          16.5                6.2 +/-    1.88      14.9 +/-    1.88  0.180 / 0.260
G25     91.0           12.8                5.9 +/-    2.26      15.4 +/-    2.26  0.150 / 0.350
G31     169.9          55.4                9.8 +/-    0.83      11.6 +/-    0.83  0.090 / 0.180
G32     26.8           58.5                6.6 +/-    1.19       7.6 +/-    1.19  0.070 / 0.200