PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-23:43:10
G01     320.6          12.1                0.2 +/-   30.62       0.4 +/-   30.62  0.170 / 0.400
G08     262.5          16.5               13.3 +/-    2.05      31.9 +/-    2.05  0.140 / 0.290
G10     67.0           57.5                9.3 +/-    0.45      10.8 +/-    0.45  0.210 / 0.660
G11     308.1          20.4                9.1 +/-    2.35      19.9 +/-    2.35  0.210 / 0.440
G14     279.2          69.2                9.5 +/-    0.62      10.1 +/-    0.62  0.190 / 0.380
G18     95.6           33.6               10.2 +/-    0.53      16.6 +/-    0.53  0.170 / 0.460
G21     154.2          9.7                14.6 +/-    5.00      41.1 +/-    5.00  0.080 / 0.120
G27     227.7          12.9               15.1 +/-    6.50      39.5 +/-    6.50  0.050 / 0.100
G31     180.2          31.4               14.0 +/-    2.55      23.8 +/-    2.55  0.030 / 0.030
G32     339.3          72.9                9.4 +/-    0.49       9.8 +/-    0.49  0.030 / 0.030