PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-02:42:50
G01     311.4          29.4                5.5 +/-    1.14       9.7 +/-    1.14  0.030 / 0.040
G10     99.2           45.0                7.1 +/-    0.78       9.6 +/-    0.78  0.030 / 0.040
G11     286.6          29.0                7.3 +/-    0.82      13.0 +/-    0.82  0.180 / 0.190
G14     347.4          68.9                6.7 +/-    0.65       7.1 +/-    0.65  0.100 / 0.210
G18     113.1          19.1                6.9 +/-    2.14      15.4 +/-    2.14  0.090 / 0.110
G22     307.2          21.0                7.4 +/-    2.45      16.0 +/-    2.45  0.070 / 0.120
G25     84.5           14.4                6.9 +/-    2.31      17.4 +/-    2.31  0.030 / 0.030
G31     173.5          57.1                7.5 +/-    0.27       8.8 +/-    0.27  0.030 / 0.030
G32     26.0           58.6                5.6 +/-    0.76       6.4 +/-    0.76  0.080 / 0.150