PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-04:58:10
G08     271.2          19.4                7.9 +/-    3.52      17.7 +/-    3.52  0.050 / 0.050
G10     54.4           59.7                6.0 +/-    0.97       6.9 +/-    0.97  0.050 / 0.050
G14     256.5          61.4                6.4 +/-    1.00       7.1 +/-    1.00  0.110 / 0.460
G18     314.2          28.4                3.9 +/-    1.17       7.0 +/-    1.17  0.130 / 0.210
G20     85.0           48.4                6.3 +/-    0.83       8.1 +/-    0.83  0.140 / 0.250
G21     154.3          19.6                5.9 +/-    3.43      13.1 +/-    3.43  0.190 / 0.310
G24     40.7           11.7                4.8 +/-    1.74      13.0 +/-    1.74  0.110 / 0.260
G27     234.5          18.3                6.3 +/-    4.92      14.4 +/-    4.92  0.130 / 0.290
G31     177.4          28.5                5.6 +/-    1.61      10.2 +/-    1.61  0.150 / 0.170
G32     333.4          75.4                6.0 +/-    0.53       6.1 +/-    0.53  0.370 / 0.310