PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/01-01:12:40
G01     118.4          18.5                9.1 +/-    1.70      20.7 +/-    1.70  0.040 / 0.050
G07     82.4           66.2                7.2 +/-    0.71       7.8 +/-    0.71  0.040 / 0.050
G08     45.1           32.2                4.4 +/-    1.51       7.3 +/-    1.51  0.110 / 0.130
G09     177.6          26.1                9.8 +/-    1.37      18.6 +/-    1.37  0.100 / 0.130
G11     108.5          40.0                9.9 +/-    0.46      14.4 +/-    0.46  0.050 / 0.060
G13     317.7          19.2                4.4 +/-    1.54       9.9 +/-    1.54  0.050 / 0.080
G17     202.2          24.8                9.2 +/-    1.86      18.2 +/-    1.86  0.030 / 0.040
G28     295.6          58.1                7.2 +/-    1.21       8.3 +/-    1.21  0.030 / 0.030
G30     358.8          71.7                5.8 +/-    0.53       6.1 +/-    0.53  0.070 / 0.180