PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-18:43:00
G10     273.5          41.2                9.2 +/-    1.48      13.1 +/-    1.48  0.080 / 0.120
G13     40.0           14.8                6.7 +/-    2.29      16.7 +/-    2.29  0.110 / 0.110
G15     53.2           43.1                8.2 +/-    0.89      11.3 +/-    0.89  0.030 / 0.020
G18     317.5          66.5                8.6 +/-    0.63       9.3 +/-    0.63  0.030 / 0.030
G20     58.2           31.5                8.3 +/-    1.60      14.1 +/-    1.60  0.110 / 0.170
G21     35.6           75.5                9.7 +/-    0.72      10.0 +/-    0.72  0.090 / 0.140
G24     116.4          17.5               12.2 +/-    1.10      28.6 +/-    1.10  0.050 / 0.090
G27     314.6          24.7                7.2 +/-    1.78      14.2 +/-    1.78  0.050 / 0.100
G29     165.9          19.4               12.7 +/-    1.35      28.4 +/-    1.35  0.310 / 0.380
G32     206.0          12.9               12.6 +/-    1.92      32.9 +/-    1.92  0.120 / 0.320