PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/24-14:27:50
G01     308.1          33.1                3.9 +/-    1.72       6.3 +/-    1.72  0.130 / 0.100
G10     105.0          39.8                5.5 +/-    0.67       8.0 +/-    0.67  0.110 / 0.080
G11     281.5          28.3                3.1 +/-    1.20       5.6 +/-    1.20  0.030 / 0.040
G14     357.0          67.2                4.0 +/-    0.70       4.3 +/-    0.70  0.030 / 0.030
G18     274.0          51.5                9.5 +/-    0.98      11.8 +/-    0.98  0.030 / 0.050
G20     119.9          14.6                5.6 +/-    1.40      14.1 +/-    1.40  0.040 / 0.050
G22     310.1          27.2                3.9 +/-    1.05       7.3 +/-    1.05  0.050 / 0.050
G25     80.7           15.5                6.3 +/-    2.94      15.4 +/-    2.94  0.060 / 0.040
G31     172.6          61.2                7.4 +/-    0.64       8.3 +/-    0.64  0.070 / 0.120
G32     30.7           56.0                4.7 +/-    0.91       5.6 +/-    0.91  0.080 / 0.130