PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-02:58:00
G08     277.6          22.2               10.1 +/-    1.58      21.1 +/-    1.58  0.020 / 0.020
G10     34.6           62.6                7.3 +/-    0.82       8.1 +/-    0.82  0.030 / 0.020
G11     316.9          10.9               -2.2 +/-   16.89      -6.1 +/-   16.89  0.030 / 0.030
G14     246.2          59.5                9.7 +/-    0.58      11.0 +/-    0.58  0.040 / 0.020
G18     78.3           44.8              -45.6 +/-   55.14     -61.6 +/-   55.14  0.080 / 0.150
G21     151.3          26.8                7.8 +/-    1.96      14.7 +/-    1.96  0.110 / 0.140
G24     46.7           19.7                5.8 +/-    3.67      12.8 +/-    3.67  0.170 / 0.250
G27     240.0          23.5               10.8 +/-    2.17      21.8 +/-    2.17  0.150 / 0.110
G31     181.2          17.8                9.2 +/-    2.08      21.5 +/-    2.08  0.040 / 0.050
G32     282.4          74.5                8.5 +/-    0.56       8.8 +/-    0.56  0.040 / 0.050