PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-02:58:10
G08     263.2          16.9               11.6 +/-    1.28      27.5 +/-    1.28  0.130 / 0.240
G10     67.2           56.9                8.1 +/-    1.18       9.5 +/-    1.18  0.150 / 0.310
G11     308.8          19.6                7.7 +/-    1.08      17.1 +/-    1.08  0.100 / 0.280
G14     272.2          66.8               10.5 +/-    0.75      11.3 +/-    0.75  0.100 / 0.290
G18     310.5          34.5                7.2 +/-    1.29      11.5 +/-    1.29  0.040 / 0.050
G20     75.1           61.2               25.0 +/-    0.82      28.1 +/-    0.82  0.040 / 0.040
G21     155.5          13.3                8.2 +/-    1.35      21.3 +/-    1.35  0.080 / 0.140
G27     229.6          13.8               11.9 +/-    1.38      30.4 +/-    1.38  0.070 / 0.170
G31     175.9          35.5               10.4 +/-    1.34      16.4 +/-    1.34  0.140 / 0.150
G32     355.3          71.7                7.7 +/-    0.63       8.1 +/-    0.63  0.150 / 0.140