PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-11:58:00
G01     244.8          31.9                5.7 +/-    1.63       9.7 +/-    1.63  0.060 / 0.090
G03     313.9          51.2                4.9 +/-    0.90       6.1 +/-    0.90  0.070 / 0.090
G14     63.0           41.1                4.5 +/-    0.77       6.4 +/-    0.77  0.040 / 0.040
G16     158.7          24.8                5.3 +/-    1.55      10.4 +/-    1.55  0.040 / 0.040
G18     217.4          23.1                6.0 +/-    3.92      12.2 +/-    3.92  0.130 / 0.110
G22     285.5          75.3                5.1 +/-    0.76       5.3 +/-    0.76  0.080 / 0.110
G23     293.2          26.9                4.8 +/-    1.66       9.1 +/-    1.66  0.040 / 0.050
G26     127.5          43.4                5.9 +/-    0.62       8.1 +/-    0.62  0.050 / 0.040
G31     40.9           50.1                3.9 +/-    0.94       5.0 +/-    0.94  0.090 / 0.170
G32     83.1           17.7                3.4 +/-    2.79       7.9 +/-    2.79  0.110 / 0.200