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                4.8 +/-    1.86       7.6 +/-    1.86  0.050 / 0.030
G03     316.0          42.0                3.0 +/-    0.85       4.3 +/-    0.85  0.040 / 0.040
G11     235.6          11.7                5.9 +/-    1.37      15.7 +/-    1.37  0.080 / 0.090
G14     60.2           41.1                1.3 +/-    0.86       1.9 +/-    0.86  0.100 / 0.090
G16     160.2          20.3               -1.3 +/-   12.38      -2.7 +/-   12.38  0.060 / 0.070
G18     219.9          27.0                5.2 +/-    3.83       9.7 +/-    3.83  0.050 / 0.070
G22     304.7          64.9                4.0 +/-    0.40       4.4 +/-    0.40  0.210 / 0.420
G26     132.9          39.2                4.6 +/-    1.56       6.8 +/-    1.56  0.180 / 0.500
G31     41.4           55.6                3.0 +/-    0.63       3.6 +/-    0.63  0.110 / 0.310
G32     78.5           21.0                2.6 +/-    2.43       5.6 +/-    2.43  0.120 / 0.240