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               10.4 +/-    1.06      24.3 +/-    1.06  0.240 / 0.330
G10     66.1           56.9                9.7 +/-    1.16      11.3 +/-    1.16  0.240 / 0.390
G11     309.1          19.5                8.5 +/-    1.30      18.9 +/-    1.30  0.040 / 0.050
G14     272.8          67.9               10.1 +/-    0.85      10.8 +/-    0.85  0.040 / 0.050
G18     310.1          35.9                9.6 +/-    0.99      15.0 +/-    0.99  0.170 / 0.210
G20     97.7           34.9                9.0 +/-    0.55      14.3 +/-    0.55  0.140 / 0.190
G21     154.7          11.5               10.3 +/-    4.61      27.8 +/-    4.61  0.080 / 0.230
G27     231.8          14.8                9.9 +/-    3.29      24.7 +/-    3.29  0.110 / 0.250
G31     179.2          31.3               11.8 +/-    1.03      20.1 +/-    1.03  0.060 / 0.080
G32     346.5          73.0                9.6 +/-    0.37      10.0 +/-    0.37  0.050 / 0.080