PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-02:27:40
G08     291.0          23.3                8.2 +/-    1.87      16.7 +/-    1.87  0.080 / 0.120
G10     11.0           63.1                7.0 +/-    0.47       7.8 +/-    0.47  0.080 / 0.130
G14     231.0          46.0               12.8 +/-    1.51      17.0 +/-    1.51  0.080 / 0.090
G18     317.7          11.0               -4.7 +/-   21.48     -12.9 +/-   21.48  0.080 / 0.070
G20     20.7           66.2               17.4 +/-    0.56      18.8 +/-    0.56  0.070 / 0.120
G21     147.5          39.9                9.3 +/-    1.69      13.6 +/-    1.69  0.080 / 0.120
G24     53.6           23.9                5.9 +/-    0.60      11.8 +/-    0.60  0.040 / 0.030
G27     253.0          30.9               11.1 +/-    1.82      19.1 +/-    1.82  0.040 / 0.030
G32     251.4          70.9               10.1 +/-    0.93      10.6 +/-    0.93  0.070 / 0.090