PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/06-23:28:00
G01     318.3          20.0                9.6 +/-    3.56      21.1 +/-    3.56  0.240 / 0.320
G08     253.6          11.9                9.8 +/-    6.58      26.2 +/-    6.58  0.240 / 0.380
G10     83.8           51.4               10.4 +/-    0.83      12.9 +/-    0.83  0.200 / 0.330
G11     299.9          24.8               10.5 +/-    1.57      20.6 +/-    1.57  0.180 / 0.300
G14     303.9          71.0               10.3 +/-    0.62      10.8 +/-    0.62  0.040 / 0.050
G18     301.1          43.4                9.6 +/-    1.02      13.2 +/-    1.02  0.040 / 0.060
G20     107.5          27.3                6.2 +/-    2.35      11.5 +/-    2.35  0.210 / 0.440
G22     301.9          11.4                7.5 +/-   13.22      20.2 +/-   13.22  0.130 / 0.530
G31     175.5          44.7               13.3 +/-    1.26      18.0 +/-    1.26  0.040 / 0.080
G32     13.8           65.2                8.5 +/-    0.64       9.3 +/-    0.64  0.040 / 0.080