PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-02:27:50
G01     251.1          35.3                6.1 +/-    1.39       9.6 +/-    1.39  0.070 / 0.200
G03     316.0          41.7                5.0 +/-    2.31       7.0 +/-    2.31  0.070 / 0.160
G11     236.1          12.9                6.3 +/-    4.13      16.5 +/-    4.13  0.080 / 0.090
G14     61.2           39.8                3.9 +/-    0.57       5.6 +/-    0.57  0.060 / 0.090
G16     166.3          15.9                6.2 +/-    5.17      15.2 +/-    5.17  0.030 / 0.040
G22     305.6          65.0                4.1 +/-    0.97       4.5 +/-    0.97  0.030 / 0.040
G23     285.8          17.9                5.8 +/-    2.20      13.5 +/-    2.20  0.130 / 0.250
G26     141.7          36.1                8.3 +/-    0.91      12.9 +/-    0.91  0.090 / 0.290
G31     39.9           62.6                3.9 +/-    0.39       4.3 +/-    0.39  0.060 / 0.130
G32     75.7           25.7                4.8 +/-    1.12       9.3 +/-    1.12  0.060 / 0.130