PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-02:42:30
G08     286.8          23.5               10.1 +/-    1.38      20.4 +/-    1.38  0.030 / 0.030
G10     15.1           63.3                8.3 +/-    0.59       9.2 +/-    0.59  0.030 / 0.040
G14     235.0          52.3               11.6 +/-    0.66      14.2 +/-    0.66  0.040 / 0.120
G18     67.9           49.7                8.6 +/-    1.20      10.9 +/-    1.20  0.040 / 0.110
G21     148.1          35.5               10.3 +/-    1.04      16.2 +/-    1.04  0.060 / 0.110
G24     53.3           24.6                6.8 +/-    0.58      13.5 +/-    0.58  0.070 / 0.110
G27     247.9          28.9               10.8 +/-    1.16      19.3 +/-    1.16  0.050 / 0.080
G32     255.0          69.7                9.8 +/-    0.66      10.4 +/-    0.66  0.040 / 0.090