PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-00:57:40
G08     264.0          17.3               10.4 +/-    1.81      24.4 +/-    1.81  0.110 / 0.440
G10     65.7           57.2                8.2 +/-    0.52       9.5 +/-    0.52  0.100 / 0.510
G11     309.5          19.1                8.3 +/-    1.06      18.6 +/-    1.06  0.150 / 0.250
G14     270.7          66.7                8.5 +/-    0.75       9.1 +/-    0.75  0.160 / 0.230
G18     310.8          34.4                7.7 +/-    2.10      12.3 +/-    2.10  0.040 / 0.070
G20     97.5           35.1                8.2 +/-    1.33      13.0 +/-    1.33  0.040 / 0.070
G21     155.2          13.3               10.9 +/-    2.31      28.3 +/-    2.31  0.140 / 0.260
G27     230.9          14.6               11.3 +/-    1.47      28.4 +/-    1.47  0.140 / 0.280
G31     177.2          33.5               11.3 +/-    1.13      18.5 +/-    1.13  0.120 / 0.270
G32     350.8          72.6                8.4 +/-    0.41       8.7 +/-    0.41  0.120 / 0.330