PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-12:57:40
G02     222.3          62.8                6.6 +/-    0.78       7.4 +/-    0.78  0.070 / 0.090
G06     47.2           68.5                4.9 +/-    0.60       5.3 +/-    0.60  0.060 / 0.090
G12     320.7          43.5                3.5 +/-    0.88       4.8 +/-    0.88  0.030 / 0.060
G17     63.2           27.0                3.3 +/-    0.99       6.2 +/-    0.99  0.030 / 0.060
G19     41.6           48.5                4.1 +/-    0.40       5.3 +/-    0.40  0.030 / 0.030
G24     253.6          40.0                5.6 +/-    1.48       8.1 +/-    1.48  0.030 / 0.020
G28     126.0          10.3                6.2 +/-    1.79      17.2 +/-    1.79  0.040 / 0.040