PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-18:28:00
G10     266.1          37.0                9.9 +/-    1.56      15.1 +/-    1.56  0.150 / 0.180
G13     42.8           20.1                7.5 +/-    3.10      16.6 +/-    3.10  0.120 / 0.240
G15     59.2           48.4                8.2 +/-    0.68      10.5 +/-    0.68  0.040 / 0.040
G16     285.8          11.1               11.1 +/-    1.19      30.4 +/-    1.19  0.030 / 0.030
G18     301.7          64.9                8.4 +/-    0.52       9.1 +/-    0.52  0.120 / 0.270
G20     53.4           36.5                8.2 +/-    1.09      12.6 +/-    1.09  0.170 / 0.220
G21     12.4           72.9               10.0 +/-    0.35      10.4 +/-    0.35  0.050 / 0.070
G24     122.1          13.5               13.4 +/-    2.48      34.5 +/-    2.48  0.070 / 0.100
G27     318.2          19.6                8.1 +/-    1.45      18.1 +/-    1.45  0.240 / 0.330
G29     165.3          26.2               10.3 +/-    1.89      19.6 +/-    1.89  0.160 / 0.240