PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-04:12:50
G08     284.4          22.0                8.3 +/-    1.85      17.5 +/-    1.85  0.080 / 0.180
G10     34.2           61.7                5.9 +/-    1.11       6.6 +/-    1.11  0.050 / 0.150
G14     240.7          55.6                7.7 +/-    0.99       9.2 +/-    0.99  0.100 / 0.150
G18     317.2          20.1                7.2 +/-    1.61      15.8 +/-    1.61  0.090 / 0.140
G20     79.4           46.2                4.7 +/-    0.82       6.3 +/-    0.82  0.030 / 0.030
G21     151.5          30.1                6.7 +/-    1.60      11.7 +/-    1.60  0.030 / 0.030
G24     47.7           19.9                3.6 +/-    1.20       8.0 +/-    1.20  0.080 / 0.080
G27     244.5          26.0               10.0 +/-    1.58      19.1 +/-    1.58  0.070 / 0.090
G31     180.6          16.8                7.7 +/-    3.23      18.2 +/-    3.23  0.160 / 0.260
G32     271.1          73.4                7.3 +/-    0.61       7.6 +/-    0.61  0.160 / 0.190