PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-04:13:00
G01     316.6          22.5                0.7 +/-    1.37       1.5 +/-    1.37  0.090 / 0.190
G08     251.0          10.3                6.0 +/-   18.27      16.5 +/-   18.27  0.080 / 0.220
G10     87.0           51.1                5.4 +/-    0.70       6.7 +/-    0.70  0.040 / 0.040
G11     296.0          27.2                1.6 +/-    2.46       2.9 +/-    2.46  0.030 / 0.040
G14     320.5          71.5                6.1 +/-    0.82       6.4 +/-    0.82  0.120 / 0.350
G18     105.8          26.5               -4.6 +/-   44.91      -8.6 +/-   44.91  0.120 / 0.410
G22     303.2          14.8                4.5 +/-    1.91      11.3 +/-    1.91  0.050 / 0.040
G25     92.0           10.8               -0.5 +/-   23.50      -1.4 +/-   23.50  0.050 / 0.050
G31     175.2          47.6               10.2 +/-    9.31      13.3 +/-    9.31  0.130 / 0.370
G32     14.1           64.4                6.5 +/-    8.62       7.1 +/-    8.62  0.130 / 0.430