PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-17:58:00
G08     308.8          19.5                9.1 +/-    0.74      20.3 +/-    0.74  0.060 / 0.070
G10     338.5          61.0               11.8 +/-    0.62      13.3 +/-    0.62  0.070 / 0.070
G14     218.5          27.4               14.3 +/-    2.59      26.6 +/-    2.59  0.110 / 0.190
G20     44.4           58.1               12.7 +/-    0.69      14.7 +/-    0.69  0.230 / 0.250
G21     135.6          55.8               15.5 +/-    0.41      18.3 +/-    0.41  0.100 / 0.170
G24     74.1           30.6               13.0 +/-    1.21      22.5 +/-    1.21  0.090 / 0.210
G27     273.3          37.7               13.0 +/-    1.56      19.7 +/-    1.56  0.030 / 0.040
G32     223.5          55.1               14.2 +/-    2.04      16.9 +/-    2.04  0.050 / 0.040