PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-06:43:10
G01     224.2          15.1                5.8 +/-    1.06      14.4 +/-    1.06  0.050 / 0.110
G03     284.6          66.9                3.6 +/-    1.23       3.9 +/-    1.23  0.040 / 0.100
G09     296.8          12.3                5.1 +/-    2.83      13.5 +/-    2.83  0.040 / 0.040
G14     89.9           21.0                4.8 +/-    1.21      10.2 +/-    1.21  0.040 / 0.050
G16     147.3          47.0                7.0 +/-    1.07       9.1 +/-    1.07  0.110 / 0.180
G22     210.2          68.8                6.6 +/-    0.70       7.0 +/-    0.70  0.120 / 0.240
G23     308.3          37.7                3.5 +/-    1.11       5.3 +/-    1.11  0.100 / 0.340
G26     96.6           55.4                5.7 +/-    0.53       6.7 +/-    0.53  0.090 / 0.250
G31     45.7           31.2                3.3 +/-    0.41       5.7 +/-    0.41  0.050 / 0.060