PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-02:28:00
G01     246.9          33.4                6.6 +/-    1.88      10.8 +/-    1.88  0.100 / 0.130
G03     315.3          46.1                3.8 +/-    0.80       5.1 +/-    0.80  0.110 / 0.120
G14     63.6           39.0                4.7 +/-    0.97       6.9 +/-    0.97  0.040 / 0.040
G16     159.9          22.5                4.9 +/-    1.73      10.2 +/-    1.73  0.040 / 0.030
G18     216.8          24.0                7.5 +/-    2.46      14.9 +/-    2.46  0.050 / 0.090
G22     299.4          68.4                5.1 +/-    0.62       5.4 +/-    0.62  0.040 / 0.080
G23     289.0          20.7                1.5 +/-    7.11       3.2 +/-    7.11  0.140 / 0.230
G26     131.9          41.3                6.8 +/-    0.84       9.7 +/-    0.84  0.080 / 0.220
G31     40.7           54.5                4.4 +/-    0.74       5.3 +/-    0.74  0.090 / 0.210
G32     80.8           19.8                5.5 +/-    1.75      12.2 +/-    1.75  0.080 / 0.190