PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-02:27:50
G01     231.8          22.4                8.8 +/-    1.86      18.3 +/-    1.86  0.040 / 0.030
G03     303.0          61.3                5.6 +/-    0.86       6.3 +/-    0.86  0.030 / 0.030
G14     79.8           28.9                7.2 +/-    0.93      12.9 +/-    0.93  0.210 / 0.180
G16     150.7          38.3                9.0 +/-    1.12      13.5 +/-    1.12  0.220 / 0.160
G18     206.4          11.4                6.9 +/-    3.48      18.7 +/-    3.48  0.080 / 0.130
G22     244.5          74.7                8.0 +/-    0.47       8.3 +/-    0.47  0.090 / 0.120
G23     301.2          31.1                8.1 +/-    0.92      13.9 +/-    0.92  0.070 / 0.090
G26     110.1          51.9                8.5 +/-    0.43      10.4 +/-    0.43  0.060 / 0.090
G31     42.8           38.9                4.8 +/-    1.07       7.1 +/-    1.07  0.260 / 0.420
G32     93.9           9.9                 7.5 +/-    1.83      21.1 +/-    1.83  0.240 / 0.450