PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/17-10:57:30
G08     292.8          23.5                5.7 +/-    0.68      11.6 +/-    0.68  0.050 / 0.080
G10     8.5            62.8                3.8 +/-    1.13       4.2 +/-    1.13  0.070 / 0.080
G14     229.0          46.9                7.1 +/-    2.57       9.4 +/-    2.57  0.030 / 0.030
G18     317.6          11.9               -2.3 +/-   16.47      -6.1 +/-   16.47  0.030 / 0.020
G20     65.0           52.3                5.3 +/-    1.24       6.5 +/-    1.24  0.110 / 0.120
G21     145.8          37.7                6.9 +/-    1.01      10.5 +/-    1.01  0.100 / 0.120
G24     55.1           24.4                3.5 +/-    2.20       6.9 +/-    2.20  0.240 / 0.330
G27     257.3          32.2                5.7 +/-    1.14       9.6 +/-    1.14  0.150 / 0.390
G32     241.5          62.9                6.4 +/-    0.94       7.0 +/-    0.94  0.030 / 0.020