PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/13-04:42:50
G01     313.1          28.9                5.8 +/-    0.80      10.3 +/-    0.80  0.100 / 0.170
G10     97.0           44.2                5.6 +/-    0.99       7.6 +/-    0.99  0.090 / 0.170
G11     291.1          26.6                6.0 +/-    2.88      11.2 +/-    2.88  0.060 / 0.050
G14     333.6          70.3                5.0 +/-    0.71       5.3 +/-    0.71  0.040 / 0.040
G18     289.3          48.4                0.3 +/-    7.10       0.4 +/-    7.10  0.100 / 0.110
G20     115.1          20.5                4.2 +/-    1.61       9.2 +/-    1.61  0.090 / 0.120
G22     306.9          19.4                6.3 +/-    1.62      14.0 +/-    1.62  0.050 / 0.050
G25     91.2           13.4                5.4 +/-    2.30      14.0 +/-    2.30  0.050 / 0.050
G31     169.8          56.6                7.7 +/-    0.63       9.1 +/-    0.63  0.060 / 0.070
G32     24.2           59.8                4.9 +/-    0.80       5.6 +/-    0.80  0.050 / 0.080