PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-12:12:50
G08     272.6          20.9                6.2 +/-    2.19      13.3 +/-    2.19  0.110 / 0.190
G10     49.6           60.0                5.3 +/-    0.74       6.0 +/-    0.74  0.090 / 0.150
G14     253.7          62.9                6.7 +/-    0.55       7.4 +/-    0.55  0.030 / 0.020
G18     314.5          29.0                4.0 +/-    0.98       7.1 +/-    0.98  0.020 / 0.020
G20     88.7           40.8                5.2 +/-    0.88       7.5 +/-    0.88  0.050 / 0.050
G21     152.6          18.5               -0.4 +/-    1.66      -0.9 +/-    1.66  0.050 / 0.050
G24     41.7           12.9                3.1 +/-    3.16       8.1 +/-    3.16  0.030 / 0.020
G27     239.1          21.0                6.3 +/-    1.32      13.6 +/-    1.32  0.030 / 0.030
G31     181.3          21.6                4.9 +/-    1.70      10.4 +/-    1.70  0.160 / 0.250
G32     294.9          74.6                6.1 +/-    0.29       6.3 +/-    0.29  0.210 / 0.320