PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-02:27:50
G08     296.9          22.8                7.3 +/-    1.41      15.0 +/-    1.41  0.080 / 0.130
G10     358.7          62.7                8.2 +/-    0.50       9.1 +/-    0.50  0.080 / 0.100
G14     226.3          40.9               13.7 +/-    1.66      19.6 +/-    1.66  0.070 / 0.110
G20     11.5           65.9                9.4 +/-    0.35      10.2 +/-    0.35  0.040 / 0.080
G21     144.4          45.5               10.9 +/-    0.72      14.6 +/-    0.72  0.040 / 0.030
G24     58.8           26.3                7.5 +/-    0.69      14.2 +/-    0.69  0.030 / 0.040
G27     259.1          33.6               10.2 +/-    0.83      16.6 +/-    0.83  0.070 / 0.110
G32     239.6          66.3               10.1 +/-    1.19      10.9 +/-    1.19  0.060 / 0.110