PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-00:27:50
G08     305.6          21.1                9.3 +/-    1.23      19.9 +/-    1.23  0.060 / 0.080
G10     338.1          60.9                8.7 +/-    0.62       9.8 +/-    0.62  0.070 / 0.080
G14     219.7          32.7               13.5 +/-    1.60      22.4 +/-    1.60  0.060 / 0.060
G15     47.4           11.5                6.6 +/-    2.04      17.8 +/-    2.04  0.050 / 0.060
G20     320.7          56.9               10.0 +/-    0.71      11.7 +/-    0.71  0.060 / 0.110
G21     137.1          55.5               12.1 +/-    1.17      14.4 +/-    1.17  0.060 / 0.080
G24     68.8           28.8                8.4 +/-    0.75      15.1 +/-    0.75  0.090 / 0.130
G27     271.4          36.9               12.7 +/-    1.12      19.5 +/-    1.12  0.070 / 0.140
G32     226.1          57.1               14.0 +/-    1.02      16.3 +/-    1.02  0.120 / 0.200