PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-18:12:30
G02     35.3           53.6                8.7 +/-    0.92      10.5 +/-    0.92  0.030 / 0.030
G05     129.5          66.2                9.6 +/-    0.98      10.4 +/-    0.98  0.030 / 0.030
G06     57.6           9.6                 7.5 +/-    1.32      21.0 +/-    1.32  0.040 / 0.050
G12     185.9          57.6                9.4 +/-    1.16      11.0 +/-    1.16  0.040 / 0.040
G19     103.2          9.4                 9.1 +/-    1.78      25.7 +/-    1.78  0.030 / 0.030
G25     286.1          57.3                4.2 +/-    1.82       4.9 +/-    1.82  0.030 / 0.030
G29     310.4          30.8                9.3 +/-    1.32      16.0 +/-    1.32  0.140 / 0.370