PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-11:28:00
G01     47.5           23.3                4.1 +/-    1.53       8.3 +/-    1.53  0.040 / 0.090
G06     176.0          27.2                5.3 +/-    1.57       9.8 +/-    1.57  0.050 / 0.070
G11     44.4           15.1                2.7 +/-    1.82       6.6 +/-    1.82  0.030 / 0.020
G13     247.1          30.1                7.4 +/-    1.32      13.0 +/-    1.32  0.030 / 0.030
G15     283.2          14.9                3.4 +/-    1.65       8.5 +/-    1.65  0.040 / 0.030
G17     309.8          78.2                5.1 +/-    0.56       5.2 +/-    0.56  0.030 / 0.040
G19     250.0          63.4                6.7 +/-    0.60       7.5 +/-    0.60  0.170 / 0.360
G28     45.1           56.5                3.7 +/-    0.91       4.3 +/-    0.91  0.110 / 0.340
G30     151.0          40.9                6.5 +/-    0.64       9.3 +/-    0.64  0.110 / 0.150