PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-17:13:10
G05     49.0           17.6               11.4 +/-    2.17      26.6 +/-    2.17  0.080 / 0.190
G10     236.9          12.4               17.2 +/-   31.42      45.5 +/-   31.42  0.090 / 0.130
G13     76.0           37.2               13.7 +/-    0.87      20.8 +/-    0.87  0.060 / 0.050
G15     120.9          52.8               18.5 +/-    0.42      22.6 +/-    0.42  0.050 / 0.050
G18     247.0          44.1               17.7 +/-    3.18      24.2 +/-    3.18  0.040 / 0.040
G20     26.7           66.7               13.8 +/-    0.73      14.9 +/-    0.73  0.040 / 0.040
G21     316.9          50.5               13.5 +/-    0.88      16.9 +/-    0.88  0.110 / 0.190
G26     290.6          19.0               12.4 +/-    0.85      27.9 +/-    0.85  0.100 / 0.170
G29     152.8          64.4               18.1 +/-    0.44      19.8 +/-    0.44  0.040 / 0.080