PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-02:43:00
G01     251.8          35.6                6.1 +/-    1.19       9.6 +/-    1.19  0.050 / 0.090
G03     316.0          41.0                5.5 +/-    1.24       7.8 +/-    1.24  0.070 / 0.090
G11     236.5          13.3                7.1 +/-    2.18      18.4 +/-    2.18  0.030 / 0.050
G14     60.6           40.1                3.9 +/-    0.73       5.7 +/-    0.73  0.040 / 0.050
G16     166.4          15.5                4.2 +/-   14.77      10.4 +/-   14.77  0.080 / 0.120
G22     306.3          64.5                3.6 +/-    0.75       3.9 +/-    0.75  0.060 / 0.140
G23     285.4          17.5                6.7 +/-    2.46      15.7 +/-    2.46  0.020 / 0.030
G26     141.9          35.7                8.6 +/-    1.12      13.5 +/-    1.12  0.030 / 0.040
G31     40.2           63.0                3.7 +/-    0.58       4.1 +/-    0.58  0.150 / 0.440
G32     75.0           26.4                4.5 +/-    1.72       8.6 +/-    1.72  0.130 / 0.380