PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-02:13:00
G10     276.3          43.2               10.8 +/-    1.35      14.9 +/-    1.35  0.120 / 0.120
G13     38.8           11.8                7.9 +/-    5.35      21.2 +/-    5.35  0.070 / 0.150
G15     53.0           44.0                9.4 +/-    1.09      12.8 +/-    1.09  0.050 / 0.040
G20     297.1          56.6                9.4 +/-    0.75      11.0 +/-    0.75  0.050 / 0.050
G21     24.7           76.0               10.8 +/-    0.92      11.1 +/-    0.92  0.200 / 0.300
G24     112.3          18.9               11.2 +/-    1.18      25.4 +/-    1.18  0.440 / 0.530
G27     314.2          24.9                7.2 +/-    2.17      14.0 +/-    2.17  0.080 / 0.160
G29     168.9          23.6                9.7 +/-    1.73      19.6 +/-    1.73  0.090 / 0.190
G32     205.2          18.3               10.3 +/-    2.63      23.5 +/-    2.63  0.040 / 0.050