PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/30-02:42:40
G08     316.1          15.2                6.1 +/-    1.58      15.1 +/-    1.58  0.100 / 0.320
G10     312.1          55.7                7.7 +/-    0.90       9.1 +/-    0.90  0.110 / 0.280
G14     213.4          23.1               13.6 +/-    3.12      27.9 +/-    3.12  0.040 / 0.050
G15     45.7           21.7                4.8 +/-    1.52      10.1 +/-    1.52  0.040 / 0.040
G18     16.7           64.0                7.2 +/-    0.62       8.0 +/-    0.62  0.090 / 0.110
G20     79.2           10.2                4.6 +/-    1.52      12.8 +/-    1.52  0.090 / 0.110
G21     120.5          66.5                7.5 +/-    1.00       8.1 +/-    1.00  0.040 / 0.040
G24     87.5           29.7                6.9 +/-    1.35      12.2 +/-    1.35  0.040 / 0.040
G27     286.2          37.9                8.7 +/-    1.41      13.0 +/-    1.41  0.070 / 0.090
G32     216.2          41.4               10.7 +/-    1.17      15.2 +/-    1.17  0.070 / 0.080