PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-02:58:00
G01     222.0          12.9                6.5 +/-    2.46      16.9 +/-    2.46  0.030 / 0.030
G03     272.6          69.2                6.7 +/-    0.80       7.1 +/-    0.80  0.030 / 0.040
G09     299.7          16.8                5.2 +/-    1.45      12.4 +/-    1.45  0.170 / 0.300
G14     91.7           20.7                6.3 +/-    1.24      13.7 +/-    1.24  0.130 / 0.190
G16     138.6          51.3                9.9 +/-    0.56      12.3 +/-    0.56  0.130 / 0.240
G22     207.5          65.6                7.3 +/-    0.82       7.9 +/-    0.82  0.130 / 0.260
G23     311.1          40.5                5.7 +/-    1.03       8.2 +/-    1.03  0.050 / 0.060
G26     85.3           54.3                6.1 +/-    0.84       7.3 +/-    0.84  0.040 / 0.050
G31     47.7           27.3                2.3 +/-    2.23       4.3 +/-    2.23  0.190 / 0.260