PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-20:27:50
G08     263.0          17.3               10.8 +/-    1.33      25.5 +/-    1.33  0.110 / 0.200
G10     66.1           56.9                7.7 +/-    0.42       9.0 +/-    0.42  0.120 / 0.230
G11     309.1          19.5                9.5 +/-    1.10      21.1 +/-    1.10  0.140 / 0.350
G14     272.8          67.9                9.5 +/-    0.94      10.2 +/-    0.94  0.220 / 0.400
G18     310.1          35.9                9.5 +/-    2.09      14.8 +/-    2.09  0.040 / 0.050
G20     97.7           34.9                8.9 +/-    0.85      14.1 +/-    0.85  0.050 / 0.050
G21     154.7          11.5                9.1 +/-    4.66      24.7 +/-    4.66  0.120 / 0.310
G27     231.8          14.8               10.7 +/-    1.04      26.8 +/-    1.04  0.120 / 0.280
G31     179.2          31.3               11.9 +/-    2.68      20.3 +/-    2.68  0.160 / 0.330
G32     346.5          73.0                9.0 +/-    0.62       9.3 +/-    0.62  0.160 / 0.310