PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-02:42:30
G01     91.8           31.5                4.7 +/-    0.45       8.0 +/-    0.45  0.040 / 0.050
G07     124.2          46.7                3.8 +/-    1.21       5.0 +/-    1.21  0.040 / 0.050
G11     72.4           41.2                3.9 +/-    0.57       5.6 +/-    0.57  0.040 / 0.040
G13     297.1          34.9                4.5 +/-    1.19       7.1 +/-    1.19  0.050 / 0.040
G17     213.8          51.8                7.3 +/-    1.58       9.1 +/-    1.58  0.030 / 0.050
G19     214.0          26.5                6.5 +/-    1.68      12.2 +/-    1.68  0.040 / 0.050
G28     348.0          61.7                2.2 +/-    0.60       2.5 +/-    0.60  0.080 / 0.130
G30     105.3          73.5                4.6 +/-    1.03       4.8 +/-    1.03  0.100 / 0.100