PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-16:12:30
G02     204.6          34.2               12.6 +/-    1.44      20.3 +/-    1.44  0.130 / 0.210
G06     149.8          72.2               12.7 +/-    0.77      13.3 +/-    0.77  0.080 / 0.200
G12     309.8          20.6               11.8 +/-    2.73      25.6 +/-    2.73  0.060 / 0.120
G17     38.6           47.0               10.4 +/-    0.46      13.6 +/-    0.46  0.070 / 0.110
G19     356.9          65.6                9.8 +/-    0.81      10.7 +/-    0.81  0.060 / 0.130
G24     294.4          40.0               11.3 +/-    1.71      16.4 +/-    1.71  0.060 / 0.170
G28     104.1          30.1               12.2 +/-    0.80      21.3 +/-    0.80  0.070 / 0.080