PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/08-21:13:00
G01     318.3          20.1                7.5 +/-    1.75      16.5 +/-    1.75  0.190 / 0.290
G08     253.2          11.9                8.9 +/-    7.37      23.9 +/-    7.37  0.190 / 0.320
G10     84.0           51.2                7.5 +/-    0.76       9.3 +/-    0.76  0.040 / 0.040
G11     299.6          24.9                8.0 +/-    0.96      15.6 +/-    0.96  0.040 / 0.040
G14     305.7          71.2                7.8 +/-    0.62       8.1 +/-    0.62  0.240 / 0.410
G18     300.4          44.1                8.0 +/-    3.54      11.0 +/-    3.54  0.200 / 0.300
G20     107.6          27.2                9.7 +/-    1.73      18.0 +/-    1.73  0.140 / 0.120
G22     301.9          11.4                3.3 +/-    9.86       8.9 +/-    9.86  0.060 / 0.130
G31     176.8          43.5               10.3 +/-    1.26      14.2 +/-    1.26  0.080 / 0.170
G32     12.5           65.6                6.9 +/-    0.47       7.5 +/-    0.47  0.080 / 0.200