PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-14:42:50
G02     214.1          53.4                7.8 +/-    0.89       9.5 +/-    0.89  0.050 / 0.080
G06     67.7           76.3                6.6 +/-    0.75       6.8 +/-    0.75  0.050 / 0.080
G12     316.8          32.6                5.4 +/-    1.69       9.0 +/-    1.69  0.060 / 0.090
G17     51.9           37.1                5.5 +/-    0.39       8.4 +/-    0.39  0.060 / 0.080
G19     36.6           50.2                5.4 +/-    0.53       6.8 +/-    0.53  0.110 / 0.240
G24     271.4          41.6                5.3 +/-    1.06       7.5 +/-    1.06  0.080 / 0.330
G28     118.0          22.4                6.8 +/-    0.86      14.1 +/-    0.86  0.030 / 0.030