PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/29-17:58:00
G10     297.3          51.4                9.1 +/-    2.58      11.2 +/-    2.58  0.060 / 0.070
G14     210.4          12.7               10.7 +/-    4.96      28.1 +/-    4.96  0.100 / 0.070
G15     45.9           26.7                7.8 +/-    2.31      14.7 +/-    2.31  0.030 / 0.030
G18     3.3            65.7                9.0 +/-    0.43       9.8 +/-    0.43  0.030 / 0.030
G20     71.0           19.5                9.1 +/-    1.16      20.4 +/-    1.16  0.070 / 0.170
G21     105.1          69.3               11.1 +/-    1.01      11.8 +/-    1.01  0.090 / 0.240
G24     98.4           26.7               10.4 +/-    1.16      19.5 +/-    1.16  0.060 / 0.110
G27     298.5          35.2                9.8 +/-    1.08      15.4 +/-    1.08  0.060 / 0.100
G32     211.3          31.1               10.6 +/-    2.06      18.1 +/-    2.06  0.190 / 0.190