PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-19:13:10
G10     298.8          51.9               10.5 +/-    1.20      12.9 +/-    1.20  0.060 / 0.100
G14     210.6          14.0                9.7 +/-    3.50      24.6 +/-    3.50  0.090 / 0.090
G15     45.8           26.0                9.6 +/-    1.10      18.3 +/-    1.10  0.030 / 0.050
G18     4.7            65.5                9.3 +/-    1.12      10.1 +/-    1.12  0.030 / 0.050
G20     72.1           18.2                8.9 +/-    0.75      20.5 +/-    0.75  0.070 / 0.160
G21     106.3          69.5               12.0 +/-    0.71      12.7 +/-    0.71  0.080 / 0.160
G24     97.4           27.1               13.7 +/-    0.84      25.4 +/-    0.84  0.080 / 0.150
G27     297.2          35.7                9.7 +/-    0.89      15.3 +/-    0.89  0.070 / 0.150
G32     211.9          31.6                9.6 +/-    2.80      16.3 +/-    2.80  0.090 / 0.490