PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-20:12:50
G08     264.1          17.9                8.1 +/-    1.68      18.7 +/-    1.68  0.150 / 0.380
G10     64.0           57.4                8.2 +/-    1.47       9.5 +/-    1.47  0.200 / 0.350
G11     310.0          18.8                7.0 +/-    1.26      15.8 +/-    1.26  0.040 / 0.040
G14     269.8          67.3                8.7 +/-    0.82       9.3 +/-    0.82  0.040 / 0.040
G18     310.8          35.0                7.3 +/-    1.60      11.6 +/-    1.60  0.140 / 0.230
G20     96.6           35.7                8.7 +/-    0.97      13.7 +/-    0.97  0.110 / 0.210
G21     154.5          12.6                9.1 +/-    2.42      24.1 +/-    2.42  0.160 / 0.260
G27     232.8          15.7                9.3 +/-    3.74      22.7 +/-    3.74  0.120 / 0.210
G31     179.6          29.9                9.2 +/-    1.73      16.2 +/-    1.73  0.060 / 0.140
G32     342.3          73.7                8.6 +/-    0.44       8.9 +/-    0.44  0.090 / 0.110