PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-03:27:50
G01     251.7          35.6                6.3 +/-    1.97       9.8 +/-    1.97  0.130 / 0.210
G03     316.0          40.9                1.2 +/-    1.17       1.7 +/-    1.17  0.100 / 0.190
G11     236.3          13.3                5.1 +/-    1.35      13.2 +/-    1.35  0.110 / 0.090
G14     60.7           40.0                1.5 +/-    1.55       2.2 +/-    1.55  0.080 / 0.070
G16     165.9          15.8               -1.7 +/-   15.11      -4.1 +/-   15.11  0.040 / 0.030
G22     306.2          64.7                2.3 +/-    0.57       2.5 +/-    0.57  0.030 / 0.040
G23     285.4          17.5                6.1 +/-    1.10      14.2 +/-    1.10  0.020 / 0.030
G26     141.3          35.9               10.8 +/-    1.23      16.8 +/-    1.23  0.030 / 0.030
G31     40.3           62.3               -0.4 +/-    0.44      -0.4 +/-    0.44  0.170 / 0.350
G32     75.3           26.0                2.7 +/-    2.78       5.1 +/-    2.78  0.170 / 0.440