PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-15:58:00
G05     46.3           25.6                7.2 +/-    1.95      14.0 +/-    1.95  0.060 / 0.070
G13     84.4           35.9               10.0 +/-    0.65      15.6 +/-    0.65  0.070 / 0.070
G15     137.7          46.7               10.5 +/-    0.58      13.8 +/-    0.58  0.060 / 0.090
G20     242.2          31.6               11.4 +/-    2.27      19.3 +/-    2.27  0.050 / 0.080
G21     308.1          43.8                8.4 +/-    1.13      11.5 +/-    1.13  0.030 / 0.040
G25     199.4          14.4                9.1 +/-    1.73      22.9 +/-    1.73  0.040 / 0.040
G26     295.7          19.8                6.3 +/-    1.74      13.9 +/-    1.74  0.160 / 0.260
G29     144.5          79.8                8.9 +/-    0.31       9.1 +/-    0.31  0.170 / 0.230