PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-02:58:20
G01     254.1          36.6                5.4 +/-    0.84       8.3 +/-    0.84  0.030 / 0.050
G03     316.3          39.0                5.1 +/-    1.12       7.5 +/-    1.12  0.040 / 0.050
G11     238.0          14.4                5.6 +/-    1.92      14.1 +/-    1.92  0.050 / 0.090
G14     58.6           41.3                3.7 +/-    0.49       5.2 +/-    0.49  0.060 / 0.080
G22     308.2          62.8                5.8 +/-    1.26       6.5 +/-    1.26  0.050 / 0.080
G23     283.9          16.3                6.8 +/-    3.35      16.3 +/-    3.35  0.090 / 0.090
G25     40.1           10.1                4.9 +/-    2.43      13.5 +/-    2.43  0.030 / 0.040
G26     143.2          34.1                9.2 +/-    1.00      14.8 +/-    1.00  0.030 / 0.030
G31     41.0           64.8                3.9 +/-    0.31       4.3 +/-    0.31  0.120 / 0.340
G32     73.4           27.5                3.0 +/-    0.67       5.6 +/-    0.67  0.120 / 0.290