PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-23:27:50
G08     273.1          19.1               10.2 +/-    2.14      23.0 +/-    2.14  0.140 / 0.310
G10     58.3           58.0               10.7 +/-    0.35      12.3 +/-    0.35  0.150 / 0.330
G14     257.4          62.5                9.0 +/-    0.67      10.0 +/-    0.67  0.130 / 0.400
G18     313.9          30.0               11.2 +/-    1.72      19.6 +/-    1.72  0.140 / 0.400
G20     93.4           37.5               10.9 +/-    0.90      16.6 +/-    0.90  0.050 / 0.070
G21     154.9          18.9               11.9 +/-    2.37      26.9 +/-    2.37  0.040 / 0.070
G24     41.5           12.7                7.9 +/-    2.08      20.9 +/-    2.08  0.120 / 0.230
G27     234.0          18.2               12.9 +/-    2.35      29.8 +/-    2.35  0.130 / 0.220
G31     177.7          28.5               12.6 +/-    1.83      22.7 +/-    1.83  0.070 / 0.180
G32     329.9          75.5               10.9 +/-    0.57      11.2 +/-    0.57  0.070 / 0.160