PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-02:58:00
G01     252.5          36.0                4.9 +/-    1.15       7.7 +/-    1.15  0.060 / 0.130
G03     316.1          40.4                5.2 +/-    1.11       7.5 +/-    1.11  0.070 / 0.120
G11     236.9          13.6                5.8 +/-    1.62      15.0 +/-    1.62  0.060 / 0.110
G14     60.0           40.4                3.2 +/-    0.37       4.6 +/-    0.37  0.060 / 0.120
G16     166.5          15.1               -0.5 +/-   16.37      -1.3 +/-   16.37  0.040 / 0.040
G22     306.9          64.0                3.9 +/-    0.89       4.3 +/-    0.89  0.040 / 0.050
G23     284.9          17.1                5.2 +/-    2.02      12.4 +/-    2.02  0.060 / 0.080
G26     142.2          35.2                8.5 +/-    0.97      13.5 +/-    0.97  0.060 / 0.090
G31     40.4           63.4                3.6 +/-    0.60       4.0 +/-    0.60  0.020 / 0.040
G32     74.6           26.7                3.2 +/-    1.20       6.0 +/-    1.20  0.030 / 0.040