PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-18:12:40
G08     315.4          16.1                5.9 +/-    2.94      14.3 +/-    2.94  0.040 / 0.050
G10     316.2          57.1                8.7 +/-    1.04      10.2 +/-    1.04  0.040 / 0.040
G14     213.7          22.5               10.3 +/-    1.82      21.3 +/-    1.82  0.220 / 0.280
G15     45.8           20.2                7.2 +/-    2.22      15.8 +/-    2.22  0.120 / 0.260
G20     19.2           63.4                9.3 +/-    1.32      10.2 +/-    1.32  0.360 / 0.330
G21     123.5          63.4               11.4 +/-    0.49      12.6 +/-    0.49  0.210 / 0.300
G24     80.2           28.3                9.5 +/-    1.53      17.2 +/-    1.53  0.070 / 0.100
G27     289.1          36.5               10.7 +/-    0.76      16.5 +/-    0.76  0.060 / 0.100
G32     216.3          43.1               10.7 +/-    1.11      14.8 +/-    1.11  0.200 / 0.290