PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-06:27:50
G01     251.6          35.6                5.0 +/-    0.93       7.8 +/-    0.93  0.120 / 0.250
G03     316.0          40.6                5.8 +/-    1.24       8.4 +/-    1.24  0.080 / 0.210
G11     235.4          13.3                7.2 +/-    3.76      18.7 +/-    3.76  0.030 / 0.040
G14     61.0           39.7                2.9 +/-    0.91       4.3 +/-    0.91  0.040 / 0.040
G16     164.5          17.0                4.6 +/-    3.69      10.9 +/-    3.69  0.060 / 0.090
G22     305.7          65.9                3.3 +/-    1.08       3.6 +/-    1.08  0.080 / 0.130
G23     285.4          17.6                5.2 +/-    1.29      12.2 +/-    1.29  0.090 / 0.200
G26     139.0          36.6                6.6 +/-    1.27      10.1 +/-    1.27  0.080 / 0.200
G31     40.7           60.0                3.9 +/-    0.42       4.4 +/-    0.42  0.040 / 0.080
G32     76.1           24.5                3.7 +/-    1.12       7.4 +/-    1.12  0.050 / 0.100