PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/16-23:27:50
G01     320.2          13.8                7.5 +/-    2.92      19.2 +/-    2.92  0.110 / 0.340
G08     260.7          15.6               11.8 +/-    1.76      28.9 +/-    1.76  0.170 / 0.380
G10     70.6           56.6                9.5 +/-    0.91      11.1 +/-    0.91  0.100 / 0.240
G11     306.7          21.4                8.4 +/-    3.56      17.9 +/-    3.56  0.120 / 0.290
G14     284.8          69.9                9.4 +/-    0.85       9.9 +/-    0.85  0.060 / 0.080
G18     97.5           32.1               10.6 +/-    0.83      17.8 +/-    0.83  0.050 / 0.080
G27     226.3          11.5               14.2 +/-    2.83      38.4 +/-    2.83  0.050 / 0.050
G31     180.1          33.3               13.1 +/-    1.71      21.4 +/-    1.71  0.040 / 0.060
G32     346.3          71.9                8.8 +/-    0.76       9.2 +/-    0.76  0.040 / 0.030