PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-22:57:40
G08     281.1          21.2               10.9 +/-    1.23      23.3 +/-    1.23  0.080 / 0.160
G10     42.7           60.6                9.2 +/-    1.05      10.4 +/-    1.05  0.090 / 0.180
G14     244.5          56.4                9.2 +/-    0.93      10.8 +/-    0.93  0.040 / 0.070
G18     316.6          23.0                8.5 +/-    1.03      17.4 +/-    1.03  0.040 / 0.060
G20     84.9           42.6                9.6 +/-    1.41      13.4 +/-    1.41  0.130 / 0.180
G21     152.9          26.8               10.9 +/-    1.07      20.5 +/-    1.07  0.140 / 0.180
G24     45.8           18.3                7.1 +/-    3.10      16.2 +/-    3.10  0.140 / 0.340
G27     240.5          23.5               11.6 +/-    1.08      23.4 +/-    1.08  0.150 / 0.260
G31     179.5          20.5               13.8 +/-    2.97      30.0 +/-    2.97  0.030 / 0.030
G32     294.0          76.5                9.2 +/-    0.34       9.4 +/-    0.34  0.030 / 0.030