PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-02:57:30
G01     307.6          32.7                3.3 +/-    1.43       5.4 +/-    1.43  0.090 / 0.140
G10     104.8          41.6                2.5 +/-    0.44       3.5 +/-    0.44  0.110 / 0.160
G11     280.9          29.4                4.4 +/-    1.80       7.9 +/-    1.80  0.060 / 0.100
G14     359.2          66.7                3.0 +/-    0.94       3.2 +/-    0.94  0.070 / 0.110
G18     116.5          15.5                2.2 +/-    2.42       5.4 +/-    2.42  0.020 / 0.040
G22     309.1          24.8                3.8 +/-    2.02       7.5 +/-    2.02  0.030 / 0.040
G25     79.6           15.9                3.0 +/-    1.23       7.4 +/-    1.23  0.040 / 0.050
G31     170.7          62.7                2.2 +/-    0.87       2.5 +/-    0.87  0.030 / 0.050
G32     32.3           55.0                2.0 +/-    0.91       2.4 +/-    0.91  0.110 / 0.250