PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-11:57:50
G01     222.3          13.0                4.1 +/-    2.15      10.8 +/-    2.15  0.110 / 0.170
G03     267.2          70.4                6.2 +/-    0.62       6.6 +/-    0.62  0.100 / 0.150
G09     297.7          11.5                3.5 +/-   16.11       9.5 +/-   16.11  0.120 / 0.370
G14     90.0           24.3                5.3 +/-    0.82      10.5 +/-    0.82  0.110 / 0.370
G16     137.9          51.6                7.5 +/-    1.76       9.3 +/-    1.76  0.040 / 0.050
G22     198.0          63.3                7.8 +/-    0.56       8.7 +/-    0.56  0.030 / 0.050
G23     314.3          44.8                4.9 +/-    1.22       6.6 +/-    1.22  0.030 / 0.040
G26     82.8           53.4                4.3 +/-    0.52       5.2 +/-    0.52  0.030 / 0.050
G31     48.3           25.2                4.0 +/-    1.26       7.7 +/-    1.26  0.040 / 0.100