PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-02:58:10
G10     301.8          53.2               11.8 +/-    0.88      14.3 +/-    0.88  0.070 / 0.090
G14     211.5          12.0                9.1 +/-   33.35      24.2 +/-   33.35  0.100 / 0.120
G15     46.0           27.3                7.0 +/-    1.91      13.0 +/-    1.91  0.150 / 0.530
G20     335.2          63.9               12.8 +/-    0.79      14.1 +/-    0.79  0.130 / 0.490
G21     103.8          73.1               13.0 +/-    0.70      13.5 +/-    0.70  0.040 / 0.050
G24     93.2           27.4               11.0 +/-    1.41      20.4 +/-    1.41  0.040 / 0.060
G27     297.1          35.4               12.4 +/-    0.95      19.5 +/-    0.95  0.040 / 0.040
G32     211.6          36.8               15.2 +/-    2.26      23.4 +/-    2.26  0.040 / 0.040