PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/12-11:58:00
G01     248.7          34.1                8.8 +/-    1.24      14.2 +/-    1.24  0.050 / 0.060
G03     315.3          47.7                5.5 +/-    0.87       7.1 +/-    0.87  0.050 / 0.080
G11     236.6          11.2                6.2 +/-    2.33      17.0 +/-    2.33  0.030 / 0.030
G14     59.1           43.2                6.1 +/-    0.64       8.4 +/-    0.64  0.030 / 0.030
G18     220.0          26.0                7.2 +/-    2.59      13.7 +/-    2.59  0.060 / 0.090
G22     296.0          72.8                7.7 +/-    0.37       8.0 +/-    0.37  0.120 / 0.100
G23     290.5          24.7                0.2 +/-    2.14       0.3 +/-    2.14  0.040 / 0.050
G26     131.5          40.6                7.7 +/-    1.01      11.1 +/-    1.01  0.040 / 0.060
G31     41.0           53.7                5.4 +/-    0.46       6.5 +/-    0.46  0.280 / 0.520
G32     80.1           20.0                4.6 +/-    2.17      10.1 +/-    2.17  0.220 / 0.530