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                7.8 +/-    3.99      20.3 +/-    3.99  0.030 / 0.040
G03     272.6          69.2                6.9 +/-    0.45       7.3 +/-    0.45  0.030 / 0.040
G09     299.7          16.8                6.3 +/-    2.38      15.0 +/-    2.38  0.150 / 0.390
G14     91.7           20.7                6.6 +/-    1.57      14.3 +/-    1.57  0.130 / 0.360
G16     138.6          51.3               10.5 +/-    1.04      13.0 +/-    1.04  0.050 / 0.060
G22     207.5          65.6                8.3 +/-    0.79       9.1 +/-    0.79  0.040 / 0.060
G23     311.1          40.5                5.6 +/-    1.05       8.1 +/-    1.05  0.120 / 0.230
G26     85.3           54.3                6.9 +/-    0.37       8.3 +/-    0.37  0.090 / 0.230
G31     47.7           27.3                4.6 +/-    2.11       8.5 +/-    2.11  0.050 / 0.090