PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-02:12:30
G03     236.9          67.6                5.4 +/-    0.35       5.8 +/-    0.35  0.060 / 0.050
G09     305.0          21.3                4.0 +/-    1.13       8.5 +/-    1.13  0.060 / 0.050
G14     99.7           16.1                6.0 +/-    1.33      14.4 +/-    1.33  0.160 / 0.330
G16     118.9          59.6                7.5 +/-    0.73       8.5 +/-    0.73  0.130 / 0.330
G22     197.2          54.4                7.0 +/-    1.18       8.4 +/-    1.18  0.030 / 0.030
G23     321.5          51.5                5.7 +/-    1.00       7.1 +/-    1.00  0.040 / 0.040
G26     66.0           50.1                4.7 +/-    0.37       6.0 +/-    0.37  0.120 / 0.290
G31     53.7           16.9                3.2 +/-    1.66       7.5 +/-    1.66  0.140 / 0.270