PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-03:42:40
G01     313.0          27.7                5.8 +/-    1.63      10.7 +/-    1.63  0.110 / 0.210
G10     96.1           46.7                4.6 +/-    0.73       6.1 +/-    0.73  0.090 / 0.200
G11     289.0          28.8                4.9 +/-    1.23       8.8 +/-    1.23  0.090 / 0.150
G14     341.0          69.8                5.6 +/-    0.94       5.9 +/-    0.94  0.100 / 0.160
G18     111.2          21.3                4.3 +/-    1.26       9.2 +/-    1.26  0.040 / 0.050
G22     306.2          19.5                5.8 +/-    2.18      12.8 +/-    2.18  0.030 / 0.050
G25     86.2           13.5                5.2 +/-    1.24      13.4 +/-    1.24  0.090 / 0.190
G31     173.5          54.9                6.3 +/-    1.40       7.5 +/-    1.40  0.070 / 0.210
G32     23.6           59.9                4.6 +/-    0.38       5.3 +/-    0.38  0.030 / 0.050