PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-02:27:30
G01     313.4          27.2                7.8 +/-    2.06      14.5 +/-    2.06  0.090 / 0.150
G10     95.4           47.1                8.2 +/-    0.88      10.7 +/-    0.88  0.090 / 0.140
G11     290.0          28.5                6.8 +/-    2.40      12.2 +/-    2.40  0.100 / 0.150
G14     338.9          70.1                8.7 +/-    0.66       9.2 +/-    0.66  0.100 / 0.180
G18     110.9          21.3                8.5 +/-    1.62      18.2 +/-    1.62  0.030 / 0.030
G22     305.8          18.6                7.2 +/-    1.36      16.4 +/-    1.36  0.020 / 0.030
G25     87.5           13.3                8.7 +/-    1.77      22.5 +/-    1.77  0.030 / 0.050
G31     174.8          53.5               10.3 +/-    0.83      12.5 +/-    0.83  0.040 / 0.050
G32     21.6           60.8                6.7 +/-    0.60       7.5 +/-    0.60  0.100 / 0.190