PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-15:43:10
G01     320.9          11.4               -8.3 +/-   33.31     -22.4 +/-   33.31  0.170 / 0.420
G08     266.4          16.6                8.2 +/-    1.35      19.7 +/-    1.35  0.180 / 0.480
G10     66.3           57.5                7.1 +/-    1.01       8.3 +/-    1.01  0.030 / 0.040
G11     311.0          17.2                6.7 +/-    1.32      15.9 +/-    1.32  0.030 / 0.040
G14     272.7          66.9                8.4 +/-    0.37       9.1 +/-    0.37  0.260 / 0.530
G21     154.2          9.8                 8.9 +/-    1.70      24.9 +/-    1.70  0.240 / 0.530
G27     228.6          13.4                6.9 +/-    2.72      17.9 +/-    2.72  0.050 / 0.070
G31     177.5          33.9                9.7 +/-    1.55      15.7 +/-    1.55  0.100 / 0.070
G32     350.4          72.3                7.5 +/-    0.43       7.8 +/-    0.43  0.230 / 0.360