PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-13:28:10
G03     244.9          69.9                7.4 +/-    0.82       7.8 +/-    0.82  0.120 / 0.270
G09     301.1          15.2                4.4 +/-    1.20      11.0 +/-    1.20  0.080 / 0.260
G14     95.1           20.7                6.6 +/-    1.19      14.2 +/-    1.19  0.040 / 0.050
G16     130.1          56.6                8.6 +/-    0.73      10.1 +/-    0.73  0.040 / 0.050
G22     191.2          56.3                8.0 +/-    1.10       9.4 +/-    1.10  0.040 / 0.070
G23     320.1          50.3                6.0 +/-    1.23       7.5 +/-    1.23  0.040 / 0.060
G26     72.7           51.9                6.0 +/-    0.48       7.5 +/-    0.48  0.030 / 0.060
G31     51.0           20.6                4.7 +/-    0.81      10.3 +/-    0.81  0.040 / 0.050