PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-02:12:50
G08     280.1          22.6                9.5 +/-    1.33      19.6 +/-    1.33  0.080 / 0.150
G10     33.1           62.3                6.7 +/-    0.39       7.4 +/-    0.39  0.090 / 0.120
G14     241.7          54.9               11.5 +/-    0.73      13.7 +/-    0.73  0.060 / 0.150
G18     317.0          19.8                6.5 +/-    1.52      14.5 +/-    1.52  0.060 / 0.140
G20     32.2           67.1               20.8 +/-    0.72      22.4 +/-    0.72  0.050 / 0.070
G21     151.6          30.1                9.1 +/-    1.05      16.0 +/-    1.05  0.040 / 0.090
G24     46.1           18.3                5.5 +/-    0.42      12.7 +/-    0.42  0.020 / 0.040
G27     243.4          25.2               10.7 +/-    0.96      20.9 +/-    0.96  0.030 / 0.030
G31     179.8          18.2               11.5 +/-    1.35      26.4 +/-    1.35  0.060 / 0.130
G32     286.2          76.4                8.9 +/-    0.56       9.2 +/-    0.56  0.080 / 0.110