PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-02:42:40
G01     91.8           31.5                4.7 +/-    1.53       7.9 +/-    1.53  0.040 / 0.040
G07     124.2          46.7                5.6 +/-    0.44       7.4 +/-    0.44  0.030 / 0.050
G08     42.4           9.7                 3.3 +/-    5.35       9.3 +/-    5.35  0.050 / 0.040
G11     72.4           41.2                4.8 +/-    0.86       6.9 +/-    0.86  0.050 / 0.040
G13     297.1          34.9                4.6 +/-    5.32       7.3 +/-    5.32  0.040 / 0.050
G17     213.8          51.8                7.2 +/-    0.97       8.9 +/-    0.97  0.030 / 0.040
G19     214.0          26.5                5.3 +/-    1.56      10.0 +/-    1.56  0.120 / 0.560
G28     348.0          61.7                4.0 +/-    0.30       4.5 +/-    0.30  0.160 / 0.750
G30     105.3          73.5                5.5 +/-    0.91       5.7 +/-    0.91  0.070 / 0.110