PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-00:12:50
G01     125.4          13.1               10.0 +/-    2.83      26.0 +/-    2.83  0.050 / 0.050
G07     58.3           69.3                7.9 +/-    0.58       8.4 +/-    0.58  0.040 / 0.050
G08     50.0           39.7                7.9 +/-    0.96      11.6 +/-    0.96  0.050 / 0.070
G09     178.8          34.9                9.9 +/-    1.08      15.7 +/-    1.08  0.060 / 0.070
G11     119.1          35.8               12.0 +/-    0.46      18.7 +/-    0.46  0.100 / 0.160
G13     320.9          12.5                6.4 +/-    1.58      16.9 +/-    1.58  0.100 / 0.130
G17     200.7          15.9               10.8 +/-    3.16      26.3 +/-    3.16  0.130 / 0.300
G28     280.5          54.4                9.7 +/-    0.76      11.6 +/-    0.76  0.160 / 0.350
G30     343.2          65.5                6.4 +/-    0.69       7.0 +/-    0.69  0.130 / 0.340