PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-13:27:50
G01     307.5          33.6                3.8 +/-    1.60       6.1 +/-    1.60  0.070 / 0.080
G10     105.7          39.2                6.2 +/-    0.51       9.1 +/-    0.51  0.080 / 0.090
G11     280.8          28.2                4.7 +/-    1.02       8.5 +/-    1.02  0.060 / 0.060
G14     358.4          66.9                4.7 +/-    0.77       5.0 +/-    0.77  0.060 / 0.060
G18     273.5          51.4                5.8 +/-    1.08       7.1 +/-    1.08  0.030 / 0.030
G20     120.4          14.1                6.3 +/-    2.25      15.9 +/-    2.25  0.040 / 0.030
G22     310.5          28.5                3.5 +/-    1.25       6.4 +/-    1.25  0.040 / 0.050
G25     80.7           15.8                5.6 +/-    2.88      13.7 +/-    2.88  0.030 / 0.050
G31     171.0          62.5                7.8 +/-    0.82       8.7 +/-    0.82  0.090 / 0.140
G32     30.6           56.1                5.1 +/-    0.77       6.1 +/-    0.77  0.100 / 0.150