PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-04:12:50
G08     290.1          22.4                7.9 +/-    1.35      16.4 +/-    1.35  0.050 / 0.110
G10     22.1           62.5                6.2 +/-    0.47       6.9 +/-    0.47  0.050 / 0.120
G14     234.2          50.9               11.5 +/-    1.09      14.4 +/-    1.09  0.100 / 0.130
G18     317.8          15.2                4.6 +/-    1.93      11.5 +/-    1.93  0.080 / 0.130
G20     72.4           49.5                6.8 +/-    0.66       8.6 +/-    0.66  0.030 / 0.030
G21     149.3          35.6                9.4 +/-    1.12      14.7 +/-    1.12  0.030 / 0.030
G24     51.8           23.0                5.7 +/-    0.68      11.7 +/-    0.68  0.050 / 0.070
G27     249.9          29.3                8.6 +/-    2.05      15.3 +/-    2.05  0.050 / 0.070
G31     182.1          11.6                5.9 +/-   11.76      15.9 +/-   11.76  0.100 / 0.210
G32     254.7          69.8                8.6 +/-    0.63       9.1 +/-    0.63  0.140 / 0.190