PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/18-22:12:40
G01     305.6          34.1                7.5 +/-    1.21      12.1 +/-    1.21  0.070 / 0.150
G10     107.5          39.6                9.7 +/-    0.91      14.2 +/-    0.91  0.080 / 0.170
G11     280.0          28.6                8.1 +/-    1.92      14.6 +/-    1.92  0.030 / 0.050
G14     2.1            65.8                7.6 +/-    0.77       8.2 +/-    0.77  0.030 / 0.040
G18     118.5          12.2               10.8 +/-    3.46      28.7 +/-    3.46  0.090 / 0.270
G22     309.9          26.2                6.7 +/-    1.45      12.8 +/-    1.45  0.110 / 0.300
G25     79.6           16.9                9.6 +/-    1.16      22.8 +/-    1.16  0.070 / 0.120
G31     171.5          64.3               10.1 +/-    1.05      11.1 +/-    1.05  0.080 / 0.110
G32     35.9           52.8                7.4 +/-    0.53       9.0 +/-    0.53  0.030 / 0.050