PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-21:12:50
G01     320.9          10.6              -14.1 +/-   31.53     -38.9 +/-   31.53  0.250 / 0.320
G08     264.8          17.2               10.2 +/-    3.58      23.9 +/-    3.58  0.260 / 0.370
G10     64.0           58.1                7.3 +/-    0.71       8.4 +/-    0.71  0.130 / 0.420
G11     310.0          18.6                7.9 +/-    1.98      18.0 +/-    1.98  0.160 / 0.450
G14     273.5          67.9                8.0 +/-    0.58       8.5 +/-    0.58  0.040 / 0.130
G18     94.4           33.9                9.2 +/-    0.76      14.9 +/-    0.76  0.050 / 0.090
G27     229.0          14.0               11.1 +/-    3.62      28.4 +/-    3.62  0.030 / 0.030
G31     180.3          29.9               12.3 +/-    1.52      21.6 +/-    1.52  0.030 / 0.030
G32     338.7          73.5                7.6 +/-    0.48       7.9 +/-    0.48  0.060 / 0.060