PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-00:27:50
G08     262.7          16.7                9.7 +/-    1.28      23.1 +/-    1.28  0.170 / 0.290
G10     67.9           56.6                7.1 +/-    0.44       8.3 +/-    0.44  0.320 / 0.370
G11     308.5          19.9                6.5 +/-    1.03      14.3 +/-    1.03  0.110 / 0.430
G14     274.0          67.5                7.3 +/-    0.89       7.9 +/-    0.89  0.120 / 0.460
G18     309.9          35.6                7.5 +/-    2.18      11.7 +/-    2.18  0.050 / 0.070
G20     98.7           34.3                7.5 +/-    0.99      12.1 +/-    0.99  0.040 / 0.050
G21     155.3          12.0                8.4 +/-    2.99      22.5 +/-    2.99  0.150 / 0.320
G27     230.1          13.8               10.0 +/-    1.10      25.7 +/-    1.10  0.120 / 0.340
G31     177.1          34.6               10.1 +/-    0.86      16.2 +/-    0.86  0.110 / 0.360
G32     353.8          71.9                7.3 +/-    0.42       7.6 +/-    0.42  0.110 / 0.330