PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-17:27:50
G08     316.6          15.1                4.7 +/-    2.17      11.7 +/-    2.17  0.300 / 0.210
G10     313.1          56.4                7.5 +/-    1.66       8.8 +/-    1.66  0.190 / 0.210
G14     212.9          20.9               11.5 +/-    2.94      24.8 +/-    2.94  0.060 / 0.100
G15     45.7           21.4                7.0 +/-    2.61      14.8 +/-    2.61  0.070 / 0.100
G20     15.3           63.9                7.7 +/-    0.64       8.5 +/-    0.64  0.030 / 0.040
G21     120.9          64.6               10.3 +/-    0.88      11.3 +/-    0.88  0.030 / 0.040
G24     82.0           28.1                8.8 +/-    1.81      16.1 +/-    1.81  0.060 / 0.050
G27     291.6          36.1                8.9 +/-    0.98      13.9 +/-    0.98  0.080 / 0.060
G32     215.2          41.1               10.3 +/-    1.45      14.8 +/-    1.45  0.150 / 0.300