PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-20:27:50
G01     318.9          18.7                8.2 +/-    0.70      18.6 +/-    0.70  0.120 / 0.370
G08     254.7          12.8                9.0 +/-    2.78      23.7 +/-    2.78  0.150 / 0.210
G10     81.3           52.2                8.7 +/-    0.69      10.7 +/-    0.69  0.170 / 0.290
G11     301.3          24.2                9.9 +/-    1.35      19.8 +/-    1.35  0.050 / 0.050
G14     300.1          71.1                9.2 +/-    0.79       9.7 +/-    0.79  0.060 / 0.050
G20     106.1          28.4                9.0 +/-    0.94      16.3 +/-    0.94  0.290 / 0.400
G22     301.0          10.2               -1.7 +/-    7.33      -4.6 +/-    7.33  0.170 / 0.440
G31     177.7          41.0               12.1 +/-    0.75      17.3 +/-    0.75  0.060 / 0.060
G32     8.6            67.1                8.8 +/-    0.59       9.4 +/-    0.59  0.060 / 0.060