PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/31-02:58:10
G08     284.2          22.9                8.6 +/-    0.73      17.7 +/-    0.73  0.110 / 0.130
G10     25.8           62.8                6.4 +/-    0.88       7.1 +/-    0.88  0.090 / 0.120
G14     237.7          51.6               12.5 +/-    1.55      15.5 +/-    1.55  0.050 / 0.080
G18     317.4          16.8                6.3 +/-    2.48      15.1 +/-    2.48  0.060 / 0.080
G20     43.0           64.6                8.8 +/-    0.59       9.7 +/-    0.59  0.090 / 0.170
G21     150.4          33.2                9.8 +/-    0.93      16.1 +/-    0.93  0.090 / 0.150
G24     48.4           20.4                4.7 +/-    1.53      10.3 +/-    1.53  0.030 / 0.040
G27     246.3          27.1               11.3 +/-    2.01      21.1 +/-    2.01  0.030 / 0.030
G31     180.6          15.2               11.6 +/-    1.59      28.8 +/-    1.59  0.050 / 0.110
G32     272.5          75.1                8.6 +/-    0.80       8.9 +/-    0.80  0.060 / 0.120