PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-17:12:50
G10     297.3          51.4                7.9 +/-    2.75       9.8 +/-    2.75  0.060 / 0.080
G14     210.4          12.5                6.3 +/-   18.08      16.7 +/-   18.08  0.100 / 0.090
G15     45.8           26.5                6.3 +/-    2.24      11.8 +/-    2.24  0.070 / 0.180
G18     3.8            65.6                8.2 +/-    0.51       8.9 +/-    0.51  0.080 / 0.180
G20     70.9           19.9                6.6 +/-    2.77      14.7 +/-    2.77  0.060 / 0.110
G21     105.8          68.7                9.5 +/-    0.75      10.2 +/-    0.75  0.060 / 0.110
G24     98.4           26.7                8.0 +/-    1.39      15.0 +/-    1.39  0.130 / 0.410
G27     298.5          35.2                8.2 +/-    0.91      13.0 +/-    0.91  0.110 / 0.520
G32     211.2          31.5               10.1 +/-    1.79      17.1 +/-    1.79  0.030 / 0.030