PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-17:27:40
G08     321.2          10.7              -13.0 +/-   25.98     -35.9 +/-   25.98  0.200 / 0.390
G10     301.2          53.2                8.5 +/-    1.35      10.3 +/-    1.35  0.160 / 0.410
G14     210.6          14.1               13.1 +/-    1.72      33.2 +/-    1.72  0.090 / 0.110
G15     46.1           28.1                6.3 +/-    1.50      11.5 +/-    1.50  0.110 / 0.130
G20     358.0          65.2                8.6 +/-    0.67       9.4 +/-    0.67  0.040 / 0.040
G21     106.1          70.6               10.2 +/-    0.55      10.7 +/-    0.55  0.040 / 0.040
G24     90.5           26.6                9.1 +/-    1.90      17.1 +/-    1.90  0.070 / 0.090
G27     300.1          33.8                6.9 +/-    2.08      11.2 +/-    2.08  0.060 / 0.100
G32     211.5          33.8               10.3 +/-    1.77      16.7 +/-    1.77  0.190 / 0.000