PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/15-02:42:50
G08     288.8          23.6                6.5 +/-    1.43      13.1 +/-    1.43  0.050 / 0.110
G10     10.9           63.3                5.5 +/-    0.48       6.1 +/-    0.48  0.040 / 0.110
G14     233.0          50.6               10.4 +/-    1.39      13.0 +/-    1.39  0.060 / 0.100
G18     65.5           50.7                7.7 +/-    0.84       9.6 +/-    0.84  0.060 / 0.100
G21     147.3          37.4                6.8 +/-    2.48      10.3 +/-    2.48  0.040 / 0.040
G24     54.9           25.5                6.5 +/-    1.31      12.6 +/-    1.31  0.030 / 0.030
G27     249.8          29.9                8.6 +/-    1.68      15.1 +/-    1.68  0.100 / 0.110
G32     250.7          68.3                7.6 +/-    0.35       8.1 +/-    0.35  0.110 / 0.120