PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-01:58:10
G08     269.2          19.7                8.1 +/-    1.78      18.0 +/-    1.78  0.160 / 0.390
G10     54.6           59.6                9.4 +/-    0.74      10.7 +/-    0.74  0.180 / 0.240
G14     258.1          63.1                8.9 +/-    1.34       9.9 +/-    1.34  0.150 / 0.290
G18     314.0          28.9                6.7 +/-    1.60      12.0 +/-    1.60  0.150 / 0.260
G20     46.1           67.9               10.0 +/-    0.85      10.8 +/-    0.85  0.170 / 0.280
G21     154.4          19.9                7.3 +/-    1.46      16.1 +/-    1.46  0.130 / 0.250
G24     40.4           11.2                6.7 +/-    1.75      18.3 +/-    1.75  0.050 / 0.050
G27     234.8          18.4                8.9 +/-    5.34      20.4 +/-    5.34  0.050 / 0.050
G31     177.4          28.4                8.3 +/-    1.50      15.1 +/-    1.50  0.170 / 0.420
G32     333.4          75.5                7.4 +/-    0.78       7.6 +/-    0.78  0.160 / 0.280