PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-02:27:50
G08     281.0          22.6                9.0 +/-    1.25      18.6 +/-    1.25  0.090 / 0.110
G10     31.7           62.4                7.7 +/-    0.51       8.6 +/-    0.51  0.080 / 0.140
G14     240.9          54.2               10.6 +/-    1.31      12.7 +/-    1.31  0.040 / 0.080
G18     317.1          19.2                6.3 +/-    1.11      14.2 +/-    1.11  0.040 / 0.080
G20     36.7           66.4               11.3 +/-    0.69      12.2 +/-    0.69  0.030 / 0.030
G21     151.4          30.7               10.4 +/-    1.41      18.0 +/-    1.41  0.020 / 0.040
G24     46.5           18.7                6.7 +/-    0.83      15.2 +/-    0.83  0.060 / 0.130
G27     243.9          25.5               11.2 +/-    2.16      21.5 +/-    2.16  0.060 / 0.130
G31     179.9          17.7               11.2 +/-    3.44      26.2 +/-    3.44  0.090 / 0.200
G32     283.4          76.2               10.1 +/-    0.74      10.4 +/-    0.74  0.080 / 0.190