PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-02:13:10
G08     285.0          23.3                9.1 +/-    1.12      18.6 +/-    1.12  0.080 / 0.140
G10     19.0           63.2                9.7 +/-    0.71      10.7 +/-    0.71  0.070 / 0.090
G14     236.9          53.7               11.0 +/-    2.11      13.3 +/-    2.11  0.030 / 0.020
G18     70.3           48.6                8.4 +/-    0.82      10.8 +/-    0.82  0.030 / 0.020
G21     148.8          33.6               12.1 +/-    1.17      19.7 +/-    1.17  0.070 / 0.120
G24     51.9           23.7                7.8 +/-    1.86      15.6 +/-    1.86  0.090 / 0.090
G27     246.3          27.9               11.6 +/-    1.54      21.2 +/-    1.54  0.080 / 0.080
G31     183.0          11.1               -2.0 +/-   19.42      -5.4 +/-   19.42  0.070 / 0.090
G32     258.9          70.6                8.6 +/-    0.66       9.0 +/-    0.66  0.140 / 0.250