PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-18:43:00
G08     264.0          17.9               13.2 +/-    2.58      30.6 +/-    2.58  0.030 / 0.040
G10     64.1           57.3               14.0 +/-    0.57      16.3 +/-    0.57  0.030 / 0.030
G11     309.9          18.9               13.5 +/-    2.35      30.4 +/-    2.35  0.170 / 0.300
G14     270.3          67.5               14.6 +/-    0.68      15.6 +/-    0.68  0.220 / 0.370
G20     96.6           35.7               15.5 +/-    0.97      24.2 +/-    0.97  0.100 / 0.180
G21     154.2          11.7               15.7 +/-    2.57      42.2 +/-    2.57  0.090 / 0.180
G27     233.1          15.7               13.6 +/-    1.74      33.1 +/-    1.74  0.040 / 0.050
G31     180.4          28.9               17.3 +/-    1.65      31.0 +/-    1.65  0.040 / 0.050
G32     340.1          73.8               15.1 +/-    0.53      15.7 +/-    0.53  0.130 / 0.290