PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-14:12:50
G02     204.2          30.6                7.9 +/-    2.29      13.6 +/-    2.29  0.130 / 0.240
G03     59.9           9.8                 5.0 +/-   21.53      14.2 +/-   21.53  0.130 / 0.220
G06     153.5          70.0                9.1 +/-    0.64       9.6 +/-    0.64  0.080 / 0.120
G12     308.9          19.8                4.5 +/-    1.14       9.9 +/-    1.14  0.100 / 0.130
G17     37.6           47.7                7.1 +/-    1.58       9.2 +/-    1.58  0.070 / 0.080
G19     349.3          67.0                5.9 +/-    0.49       6.3 +/-    0.49  0.110 / 0.090
G24     296.8          39.3                5.8 +/-    6.42       8.6 +/-    6.42  0.030 / 0.030
G28     101.6          31.9                7.4 +/-    0.85      12.5 +/-    0.85  0.030 / 0.020