PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-02:13:10
G01     293.6          39.4                6.5 +/-    1.45       9.5 +/-    1.45  0.100 / 0.120
G03     310.7          13.3                7.6 +/-    2.71      19.7 +/-    2.71  0.080 / 0.110
G10     117.7          31.4                7.3 +/-    0.67      12.5 +/-    0.67  0.050 / 0.090
G11     266.0          27.5                8.2 +/-    1.06      15.2 +/-    1.06  0.050 / 0.080
G14     23.1           59.2                6.0 +/-    0.49       6.9 +/-    0.49  0.030 / 0.050
G22     313.1          35.6                7.0 +/-    1.57      11.0 +/-    1.57  0.040 / 0.050
G25     66.6           18.0                5.2 +/-    0.63      12.0 +/-    0.63  0.040 / 0.050
G31     153.4          76.4                8.8 +/-    0.67       9.0 +/-    0.67  0.050 / 0.050
G32     46.1           46.3                4.3 +/-    0.60       5.7 +/-    0.60  0.030 / 0.030