PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/27-06:27:50
G08     312.0          17.2                4.2 +/-    2.03      10.0 +/-    2.03  0.320 / 0.310
G10     330.3          59.7                2.9 +/-    0.73       3.4 +/-    0.73  0.210 / 0.360
G14     218.1          25.8                7.1 +/-    1.35      13.6 +/-    1.35  0.030 / 0.040
G15     46.7           11.5                2.5 +/-    3.93       6.8 +/-    3.93  0.030 / 0.040
G20     57.4           50.3                4.7 +/-    0.72       5.8 +/-    0.72  0.060 / 0.070
G21     133.5          58.4                6.7 +/-    0.27       7.7 +/-    0.27  0.050 / 0.080
G24     74.4           29.9                6.0 +/-    1.33      10.5 +/-    1.33  0.180 / 0.220
G27     275.5          37.5                5.6 +/-    2.05       8.5 +/-    2.05  0.180 / 0.220
G32     222.6          53.5                7.2 +/-    1.61       8.7 +/-    1.61  0.100 / 0.060