PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-01:42:40
G08     276.4          19.4                9.1 +/-    2.05      20.3 +/-    2.05  0.200 / 0.450
G10     54.6           58.8                7.9 +/-    0.74       9.1 +/-    0.74  0.360 / 0.260
G14     255.1          62.2                8.4 +/-    0.59       9.4 +/-    0.59  0.090 / 0.230
G18     314.6          28.5                6.5 +/-    1.19      11.8 +/-    1.19  0.160 / 0.330
G20     90.9           39.6                7.6 +/-    0.53      11.2 +/-    0.53  0.050 / 0.050
G21     154.4          20.8                9.7 +/-    2.48      20.9 +/-    2.48  0.050 / 0.050
G24     42.2           13.8                5.8 +/-    3.58      14.9 +/-    3.58  0.120 / 0.130
G27     235.7          19.5               10.0 +/-    4.38      22.3 +/-    4.38  0.140 / 0.110
G31     178.1          26.7               11.8 +/-    0.98      22.2 +/-    0.98  0.030 / 0.020
G32     317.9          76.0                8.2 +/-    0.72       8.4 +/-    0.72  0.030 / 0.030