PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-21:43:00
G08     321.3          10.5              -15.6 +/-   18.76     -43.1 +/-   18.76  0.030 / 0.030
G10     301.7          53.3                7.1 +/-    1.00       8.6 +/-    1.00  0.030 / 0.040
G14     211.0          13.6               11.8 +/-    1.72      30.4 +/-    1.72  0.110 / 0.560
G15     46.4           30.5                7.7 +/-    1.13      13.3 +/-    1.13  0.250 / 0.480
G20     358.9          65.2                7.8 +/-    0.37       8.5 +/-    0.37  0.080 / 0.090
G21     104.5          72.3                9.3 +/-    0.40       9.7 +/-    0.40  0.080 / 0.070
G24     91.7           27.1                8.9 +/-    1.78      16.6 +/-    1.78  0.100 / 0.150
G27     298.6          34.6                7.7 +/-    2.74      12.2 +/-    2.74  0.110 / 0.140
G32     211.5          35.7               12.0 +/-    2.19      18.9 +/-    2.19  0.150 / 0.410