PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-05:27:50
G08     269.5          18.7                7.7 +/-    1.82      17.4 +/-    1.82  0.050 / 0.050
G10     58.3           59.0                5.9 +/-    0.96       6.7 +/-    0.96  0.050 / 0.050
G14     260.0          62.5                6.9 +/-    1.11       7.7 +/-    1.11  0.070 / 0.210
G18     313.3          30.1                6.1 +/-    0.98      10.7 +/-    0.98  0.380 / 0.260
G20     89.9           43.9                6.9 +/-    0.99       9.4 +/-    0.99  0.090 / 0.160
G21     154.7          17.6                6.0 +/-    1.39      14.1 +/-    1.39  0.110 / 0.200
G24     39.9           10.3                5.1 +/-    3.72      14.2 +/-    3.72  0.110 / 0.190
G27     233.0          16.9                7.0 +/-    1.68      16.6 +/-    1.68  0.090 / 0.160
G31     177.0          30.6                6.1 +/-    1.60      10.5 +/-    1.60  0.090 / 0.110
G32     340.9          74.5                6.1 +/-    0.33       6.3 +/-    0.33  0.070 / 0.140