PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-01:43:10
G08     262.9          17.2                9.5 +/-    1.72      22.4 +/-    1.72  0.140 / 0.230
G10     66.2           57.1                7.3 +/-    0.31       8.5 +/-    0.31  0.160 / 0.230
G11     309.0          19.5                8.8 +/-    1.29      19.6 +/-    1.29  0.130 / 0.420
G14     271.8          67.1                7.4 +/-    0.60       8.0 +/-    0.60  0.110 / 0.420
G18     310.8          34.2                7.1 +/-    2.16      11.5 +/-    2.16  0.030 / 0.050
G20     52.5           68.7                9.7 +/-    0.99      10.3 +/-    0.99  0.040 / 0.060
G21     155.5          14.0                8.0 +/-    1.39      20.4 +/-    1.39  0.150 / 0.230
G27     230.2          14.3               10.5 +/-    2.15      26.7 +/-    2.15  0.120 / 0.290
G31     176.0          34.8               10.3 +/-    1.35      16.4 +/-    1.35  0.160 / 0.290
G32     353.7          72.1                8.0 +/-    0.41       8.4 +/-    0.41  0.150 / 0.280