PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-11:58:10
G02     202.9          29.9                5.8 +/-    1.81      10.2 +/-    1.81  0.080 / 0.090
G06     160.2          66.4                4.5 +/-    0.75       4.8 +/-    0.75  0.080 / 0.090
G12     305.5          13.9                3.6 +/-    2.08       9.3 +/-    2.08  0.050 / 0.040
G17     31.0           53.0                3.4 +/-    1.09       4.1 +/-    1.09  0.040 / 0.040
G19     359.1          66.3                3.0 +/-    0.67       3.3 +/-    0.67  0.040 / 0.030
G24     301.8          35.3                4.6 +/-    1.51       7.2 +/-    1.51  0.040 / 0.030
G28     95.2           39.4                4.6 +/-    1.35       6.7 +/-    1.35  0.110 / 0.140