PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-14:12:30
G02     210.4          46.8                7.5 +/-    0.69       9.9 +/-    0.69  0.050 / 0.090
G06     98.1           78.9                7.9 +/-    0.49       8.1 +/-    0.49  0.060 / 0.080
G12     314.3          27.4                5.3 +/-    1.60       9.8 +/-    1.60  0.070 / 0.130
G17     46.7           41.0                6.2 +/-    1.12       8.9 +/-    1.12  0.080 / 0.120
G19     29.0           54.4                6.1 +/-    0.32       7.3 +/-    0.32  0.120 / 0.210
G24     280.0          41.6                4.8 +/-    1.10       6.8 +/-    1.10  0.120 / 0.230
G28     112.9          26.9                8.3 +/-    1.22      15.5 +/-    1.22  0.030 / 0.030