PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-00:27:50
G08     309.0          19.7                7.3 +/-    1.51      16.3 +/-    1.51  0.050 / 0.080
G10     330.9          59.9                6.2 +/-    0.64       7.0 +/-    0.64  0.060 / 0.080
G14     217.7          29.1               12.5 +/-    2.45      22.4 +/-    2.45  0.040 / 0.040
G15     46.7           14.5                5.9 +/-    2.21      14.8 +/-    2.21  0.040 / 0.040
G20     316.8          55.7                6.1 +/-    0.71       7.2 +/-    0.71  0.110 / 0.170
G21     133.5          59.1                9.1 +/-    0.78      10.4 +/-    0.78  0.160 / 0.220
G24     73.0           29.3                7.4 +/-    1.53      13.1 +/-    1.53  0.070 / 0.080
G27     276.2          37.4                8.8 +/-    1.90      13.4 +/-    1.90  0.070 / 0.060
G32     222.5          53.5               10.8 +/-    1.61      13.0 +/-    1.61  0.130 / 0.160