PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-02:57:50
G08     264.7          17.8               11.2 +/-    1.33      26.0 +/-    1.33  0.190 / 0.220
G10     61.4           58.8                7.8 +/-    0.86       8.9 +/-    0.86  0.080 / 0.190
G11     309.5          19.5                7.6 +/-    1.18      16.9 +/-    1.18  0.020 / 0.020
G14     272.2          68.2                7.4 +/-    0.62       7.9 +/-    0.62  0.020 / 0.020
G18     92.1           36.6                7.8 +/-    1.09      12.0 +/-    1.09  0.260 / 0.290
G21     154.2          14.0               11.3 +/-    2.31      28.8 +/-    2.31  0.210 / 0.250
G24     39.9           10.8                7.1 +/-    3.41      19.4 +/-    3.41  0.040 / 0.050
G27     229.7          14.8               12.9 +/-    2.14      32.2 +/-    2.14  0.040 / 0.040
G31     178.9          30.5               11.2 +/-    1.00      19.4 +/-    1.00  0.060 / 0.090
G32     334.7          73.9                7.1 +/-    0.34       7.3 +/-    0.34  0.070 / 0.080