PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-19:57:50
G08     294.2          23.7               13.5 +/-    1.92      27.1 +/-    1.92  0.050 / 0.070
G10     2.7            62.8               12.5 +/-    1.07      13.9 +/-    1.07  0.040 / 0.060
G14     227.5          44.2               15.3 +/-    2.75      20.9 +/-    2.75  0.150 / 0.120
G20     61.7           53.6               13.4 +/-    0.96      16.3 +/-    0.96  0.110 / 0.140
G21     145.0          41.5               14.0 +/-    0.62      19.9 +/-    0.62  0.100 / 0.130
G24     55.5           24.2               13.6 +/-    1.80      27.1 +/-    1.80  0.160 / 0.130
G27     259.4          32.9               12.5 +/-    2.44      20.6 +/-    2.44  0.080 / 0.110
G32     241.0          65.8               14.7 +/-    0.92      15.9 +/-    0.92  0.070 / 0.100