PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/18-02:12:50
G01     313.7          28.3                5.5 +/-    1.74      10.0 +/-    1.74  0.050 / 0.040
G10     95.7           44.8                8.2 +/-    0.70      11.1 +/-    0.70  0.060 / 0.050
G11     293.0          26.0                8.9 +/-    1.02      17.0 +/-    1.02  0.080 / 0.200
G14     326.9          70.6                7.4 +/-    1.15       7.8 +/-    1.15  0.090 / 0.200
G18     291.3          47.7                9.1 +/-    8.90      11.9 +/-    8.90  0.190 / 0.250
G20     114.4          20.8                6.9 +/-    1.95      14.8 +/-    1.95  0.200 / 0.330
G22     306.1          17.5                5.8 +/-    3.45      13.6 +/-    3.45  0.070 / 0.060
G25     92.5           12.9                6.9 +/-    2.75      18.2 +/-    2.75  0.050 / 0.070
G31     170.1          55.4                9.5 +/-    0.66      11.3 +/-    0.66  0.040 / 0.030
G32     24.3           59.8                6.6 +/-    0.85       7.5 +/-    0.85  0.050 / 0.030