PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-04:27:50
G01     250.5          35.2                4.4 +/-    1.06       6.9 +/-    1.06  0.040 / 0.050
G03     316.0          42.0                2.5 +/-    1.20       3.6 +/-    1.20  0.030 / 0.040
G11     235.6          11.7                5.0 +/-    2.45      13.6 +/-    2.45  0.070 / 0.110
G14     60.2           41.1                3.0 +/-    1.24       4.3 +/-    1.24  0.060 / 0.120
G18     219.9          27.0                4.1 +/-    1.19       7.7 +/-    1.19  0.060 / 0.090
G22     304.7          64.9                3.7 +/-    0.47       4.1 +/-    0.47  0.060 / 0.090
G23     286.6          18.8                3.8 +/-    2.10       8.7 +/-    2.10  0.080 / 0.520
G26     132.9          39.2                5.0 +/-    0.76       7.3 +/-    0.76  0.080 / 0.450
G31     41.4           55.6                3.7 +/-    0.99       4.4 +/-    0.99  0.110 / 0.230
G32     78.5           21.0                2.7 +/-    1.07       5.7 +/-    1.07  0.090 / 0.260