PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-03:57:30
G01     306.5          33.5                5.3 +/-    0.91       8.7 +/-    0.91  0.040 / 0.060
G10     106.1          40.7                6.4 +/-    0.49       9.1 +/-    0.49  0.040 / 0.050
G11     279.2          29.6                6.1 +/-    2.00      10.8 +/-    2.00  0.050 / 0.130
G14     2.1            66.0                5.9 +/-    0.74       6.4 +/-    0.74  0.070 / 0.140
G18     117.2          15.0                5.2 +/-    2.39      12.9 +/-    2.39  0.050 / 0.100
G22     309.7          26.2                4.0 +/-    1.79       7.7 +/-    1.79  0.060 / 0.130
G25     77.7           16.1                5.7 +/-    1.09      13.7 +/-    1.09  0.030 / 0.050
G31     168.6          64.7                7.5 +/-    0.79       8.2 +/-    0.79  0.030 / 0.050
G32     34.4           53.7                5.1 +/-    0.29       6.1 +/-    0.29  0.100 / 0.280