PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/17-00:27:50
G01     305.5          34.2                7.9 +/-    0.96      12.7 +/-    0.96  0.060 / 0.140
G10     107.5          39.7                7.6 +/-    0.46      11.1 +/-    0.46  0.080 / 0.140
G11     279.0          29.0                7.2 +/-    0.92      12.9 +/-    0.92  0.070 / 0.100
G14     3.4            65.6                6.1 +/-    0.90       6.7 +/-    0.90  0.060 / 0.090
G18     118.3          12.8                8.4 +/-    2.29      22.0 +/-    2.29  0.040 / 0.050
G22     309.9          26.2                6.1 +/-    1.03      11.5 +/-    1.03  0.030 / 0.040
G25     78.6           16.7                6.0 +/-    1.22      14.2 +/-    1.22  0.120 / 0.280
G31     172.7          63.8                8.8 +/-    1.04       9.7 +/-    1.04  0.110 / 0.250
G32     34.4           53.7                6.0 +/-    0.34       7.2 +/-    0.34  0.040 / 0.060