PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-22:58:00
G08     291.0          22.1                9.3 +/-    1.60      19.4 +/-    1.60  0.110 / 0.120
G10     23.0           62.4                8.7 +/-    0.64       9.7 +/-    0.64  0.120 / 0.130
G14     233.7          48.8               12.5 +/-    0.86      16.0 +/-    0.86  0.050 / 0.140
G18     317.9          14.8                8.0 +/-    3.58      20.0 +/-    3.58  0.050 / 0.100
G20     73.6           48.4                8.1 +/-    0.80      10.4 +/-    0.80  0.060 / 0.090
G21     149.5          36.1               10.5 +/-    0.94      16.3 +/-    0.94  0.050 / 0.090
G24     52.5           23.8                8.2 +/-    1.18      16.4 +/-    1.18  0.160 / 0.200
G27     249.1          29.3                9.1 +/-    1.80      16.1 +/-    1.80  0.110 / 0.220
G31     181.8          12.0               13.2 +/-    2.58      35.4 +/-    2.58  0.110 / 0.350
G32     258.2          72.2               10.6 +/-    0.71      11.1 +/-    0.71  0.090 / 0.430