PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-02:57:40
G01     304.2          35.0                8.1 +/-    0.68      12.9 +/-    0.68  0.060 / 0.130
G10     108.7          38.9                9.3 +/-    1.06      13.8 +/-    1.06  0.060 / 0.130
G11     276.7          29.3                8.7 +/-    1.10      15.5 +/-    1.10  0.060 / 0.110
G14     6.8            64.7                7.2 +/-    0.97       7.9 +/-    0.97  0.050 / 0.090
G18     118.9          12.7               10.9 +/-    2.48      28.5 +/-    2.48  0.030 / 0.050
G22     310.4          27.8                6.0 +/-    1.41      11.0 +/-    1.41  0.030 / 0.040
G25     75.9           16.7                7.9 +/-    0.91      18.7 +/-    0.91  0.020 / 0.040
G31     167.9          66.8               10.3 +/-    1.17      11.1 +/-    1.17  0.030 / 0.050
G32     36.4           52.4                7.8 +/-    0.24       9.5 +/-    0.24  0.030 / 0.060