PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-18:58:00
G08     308.2          19.6               11.2 +/-    2.38      24.9 +/-    2.38  0.070 / 0.080
G10     340.9          61.2               11.5 +/-    0.57      12.9 +/-    0.57  0.060 / 0.090
G14     219.1          29.1               14.3 +/-    1.12      25.5 +/-    1.12  0.050 / 0.080
G20     45.9           57.8               12.9 +/-    0.35      15.0 +/-    0.35  0.050 / 0.070
G21     136.8          55.0               15.3 +/-    0.93      18.3 +/-    0.93  0.030 / 0.050
G24     72.7           30.5               12.3 +/-    0.63      21.3 +/-    0.63  0.040 / 0.060
G27     271.7          37.5               11.8 +/-    1.17      18.0 +/-    1.17  0.110 / 0.200
G32     224.7          56.1               12.6 +/-    0.74      14.9 +/-    0.74  0.110 / 0.220