PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/01-22:12:30
G08     296.5          23.2               10.0 +/-    1.41      20.3 +/-    1.41  0.050 / 0.060
G10     358.3          62.6               10.5 +/-    0.45      11.7 +/-    0.45  0.040 / 0.060
G14     226.0          41.9               12.0 +/-    2.06      16.9 +/-    2.06  0.070 / 0.090
G20     58.7           54.7               10.4 +/-    0.53      12.4 +/-    0.53  0.070 / 0.100
G21     144.0          44.5               12.5 +/-    1.77      16.9 +/-    1.77  0.030 / 0.030
G24     58.0           25.5               10.7 +/-    1.27      20.7 +/-    1.27  0.040 / 0.040
G27     260.9          33.7               12.3 +/-    1.95      20.0 +/-    1.95  0.060 / 0.100
G32     238.2          64.9               13.2 +/-    0.63      14.4 +/-    0.63  0.050 / 0.110