PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-19:42:40
G07     331.2          57.9               11.2 +/-    0.56      12.9 +/-    0.56  0.030 / 0.040
G08     106.2          49.4               12.8 +/-    0.55      16.2 +/-    0.55  0.030 / 0.040
G09     210.2          80.1               13.5 +/-    0.56      13.6 +/-    0.56  0.200 / 0.270
G11     148.2          10.4                0.6 +/-   23.05       1.7 +/-   23.05  0.170 / 0.240
G16     44.5           16.7                8.7 +/-    3.82      20.7 +/-    3.82  0.030 / 0.030
G23     153.7          49.6               13.2 +/-    0.45      16.7 +/-    0.45  0.030 / 0.020
G27     63.7           35.8               10.7 +/-    1.27      16.8 +/-    1.27  0.060 / 0.070
G28     231.8          21.1               12.7 +/-    2.16      27.3 +/-    2.16  0.100 / 0.070
G30     297.2          31.4               12.1 +/-    1.32      20.6 +/-    1.32  0.290 / 0.410