PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-15:58:00
G08     308.5          19.9                7.5 +/-    1.60      16.5 +/-    1.60  0.090 / 0.070
G10     337.5          60.9                6.5 +/-    0.58       7.3 +/-    0.58  0.050 / 0.070
G14     218.1          27.2               10.2 +/-    0.82      19.0 +/-    0.82  0.050 / 0.070
G20     44.7           57.9                7.7 +/-    0.34       8.9 +/-    0.34  0.050 / 0.080
G21     135.1          55.5                7.5 +/-    1.60       8.8 +/-    1.60  0.110 / 0.220
G24     74.7           30.6                6.6 +/-    0.53      11.4 +/-    0.53  0.120 / 0.190
G27     273.9          37.9                9.0 +/-    0.94      13.5 +/-    0.94  0.030 / 0.050
G32     222.9          54.9                9.2 +/-    1.63      11.0 +/-    1.63  0.040 / 0.040