PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-23:57:30
G08     316.6          15.0                8.0 +/-    1.37      19.8 +/-    1.37  0.070 / 0.090
G10     313.1          56.4               11.0 +/-    0.92      12.9 +/-    0.92  0.070 / 0.080
G14     213.4          20.0               17.9 +/-    2.90      39.3 +/-    2.90  0.030 / 0.050
G15     45.8           23.0                7.0 +/-    0.83      14.4 +/-    0.83  0.040 / 0.050
G20     302.3          49.1                8.8 +/-    0.51      11.2 +/-    0.51  0.060 / 0.110
G21     119.5          68.0               11.3 +/-    0.76      12.0 +/-    0.76  0.060 / 0.110
G24     84.4           28.9                9.1 +/-    0.93      16.4 +/-    0.93  0.230 / 0.390
G27     289.1          37.1               10.8 +/-    1.10      16.4 +/-    1.10  0.160 / 0.290
G32     215.2          43.7               13.6 +/-    1.27      18.6 +/-    1.27  0.110 / 0.310