PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-04:42:50
G08     286.5          22.6                9.4 +/-    1.07      19.4 +/-    1.07  0.110 / 0.130
G10     23.3           62.9                5.6 +/-    0.71       6.2 +/-    0.71  0.100 / 0.130
G14     236.3          49.7                8.1 +/-    0.63      10.3 +/-    0.63  0.060 / 0.090
G18     317.6          15.6                5.4 +/-    2.18      13.2 +/-    2.18  0.050 / 0.080
G20     66.6           54.8                9.6 +/-    0.93      11.5 +/-    0.93  0.070 / 0.140
G21     149.9          34.1                7.8 +/-    0.40      12.7 +/-    0.40  0.080 / 0.150
G24     49.5           21.3                3.5 +/-    1.08       7.5 +/-    1.08  0.050 / 0.110
G27     247.1          27.7                8.2 +/-    2.87      15.2 +/-    2.87  0.050 / 0.120
G31     180.8          14.3                6.5 +/-    1.55      16.5 +/-    1.55  0.030 / 0.030
G32     268.5          74.6                6.7 +/-    0.76       6.9 +/-    0.76  0.030 / 0.030