PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-03:42:40
G01     313.4          27.5                5.7 +/-    1.41      10.5 +/-    1.41  0.130 / 0.200
G10     96.7           45.6                7.5 +/-    0.95      10.1 +/-    0.95  0.110 / 0.250
G11     290.2          27.5                6.5 +/-    1.64      12.0 +/-    1.64  0.070 / 0.200
G14     331.0          70.1                7.4 +/-    0.48       7.8 +/-    0.48  0.060 / 0.190
G18     290.1          47.6                8.3 +/-    0.96      10.8 +/-    0.96  0.040 / 0.050
G20     105.5          48.2               14.3 +/-    1.00      18.5 +/-    1.00  0.050 / 0.050
G22     306.4          18.9                9.0 +/-    1.29      20.3 +/-    1.29  0.160 / 0.290
G25     89.6           13.6                8.1 +/-    2.56      20.8 +/-    2.56  0.140 / 0.220
G31     168.9          57.5               10.1 +/-    1.17      11.8 +/-    1.17  0.080 / 0.150
G32     29.1           57.1                5.2 +/-    1.08       6.1 +/-    1.08  0.080 / 0.150