PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-01:42:30
G01     309.6          31.1                5.6 +/-    0.73       9.6 +/-    0.73  0.040 / 0.050
G10     102.1          43.3                7.5 +/-    0.39      10.4 +/-    0.39  0.050 / 0.050
G11     284.1          29.1                6.6 +/-    0.78      11.8 +/-    0.78  0.090 / 0.100
G14     353.1          67.9                3.0 +/-    0.47       3.3 +/-    0.47  0.110 / 0.130
G18     114.9          17.0                7.2 +/-    1.58      17.1 +/-    1.58  0.090 / 0.140
G22     308.1          22.6                7.8 +/-    3.85      16.1 +/-    3.85  0.130 / 0.110
G25     82.7           15.3                7.1 +/-    1.73      17.6 +/-    1.73  0.030 / 0.030
G31     173.5          59.2                6.2 +/-    0.42       7.1 +/-    0.42  0.040 / 0.030
G32     28.3           57.3                3.6 +/-    1.26       4.2 +/-    1.26  0.120 / 0.200