PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-12:57:40
G02     204.8          31.8                5.8 +/-    0.86       9.7 +/-    0.86  0.070 / 0.170
G06     155.4          70.6                7.3 +/-    1.00       7.6 +/-    1.00  0.110 / 0.160
G12     308.8          18.5                3.9 +/-    1.82       9.0 +/-    1.82  0.030 / 0.030
G17     38.2           47.2                5.0 +/-    0.23       6.6 +/-    0.23  0.040 / 0.040
G19     351.4          66.5                3.7 +/-    0.52       4.0 +/-    0.52  0.060 / 0.110
G24     294.4          40.4                5.8 +/-    0.76       8.3 +/-    0.76  0.070 / 0.120
G28     102.7          31.5                7.0 +/-    0.90      11.9 +/-    0.90  0.040 / 0.030