PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-01:57:40
G01     320.3          13.4                4.4 +/-   12.57      11.4 +/-   12.57  0.030 / 0.030
G08     260.8          15.9                9.1 +/-    1.39      22.2 +/-    1.39  0.030 / 0.030
G10     69.4           56.9                8.3 +/-    0.82       9.7 +/-    0.82  0.190 / 0.300
G11     306.5          21.7                7.5 +/-    1.76      15.9 +/-    1.76  0.150 / 0.330
G14     284.0          70.0                7.2 +/-    0.65       7.6 +/-    0.65  0.060 / 0.070
G18     96.5           33.4                8.2 +/-    1.69      13.4 +/-    1.69  0.050 / 0.070
G27     226.6          11.9               10.0 +/-    1.41      26.7 +/-    1.41  0.220 / 0.390
G31     178.7          34.4                9.0 +/-    0.58      14.5 +/-    0.58  0.210 / 0.360
G32     346.3          72.1                7.6 +/-    0.36       8.0 +/-    0.36  0.030 / 0.050