PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-02:57:40
G08     316.6          14.9                5.8 +/-    2.29      14.5 +/-    2.29  0.040 / 0.040
G10     311.1          55.5                6.5 +/-    0.65       7.7 +/-    0.65  0.040 / 0.060
G14     213.1          22.5               13.6 +/-    1.74      28.1 +/-    1.74  0.060 / 0.080
G15     45.7           22.4                5.5 +/-    0.95      11.4 +/-    0.95  0.060 / 0.080
G18     15.2           64.2                7.5 +/-    0.41       8.2 +/-    0.41  0.040 / 0.050
G20     78.8           10.6                4.6 +/-    1.58      12.6 +/-    1.58  0.040 / 0.040
G21     119.3          67.1                9.0 +/-    0.96       9.6 +/-    0.96  0.080 / 0.260
G24     88.2           29.5                7.7 +/-    0.77      13.6 +/-    0.77  0.090 / 0.280
G27     287.0          37.8                8.9 +/-    1.45      13.4 +/-    1.45  0.080 / 0.120
G32     215.8          40.9               11.1 +/-    1.49      15.8 +/-    1.49  0.080 / 0.110