PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-16:43:10
G08     316.3          15.4                6.6 +/-    1.79      16.3 +/-    1.79  0.030 / 0.040
G10     313.9          56.6                9.3 +/-    1.33      10.9 +/-    1.33  0.040 / 0.040
G14     213.1          21.5               12.7 +/-    1.56      26.9 +/-    1.56  0.030 / 0.050
G15     45.7           20.6                7.2 +/-    1.63      15.6 +/-    1.63  0.040 / 0.040
G20     16.4           63.8               11.8 +/-    0.64      13.0 +/-    0.64  0.070 / 0.150
G21     121.8          63.6               13.2 +/-    0.54      14.6 +/-    0.54  0.060 / 0.110
G24     81.1           28.0               13.3 +/-    0.37      24.2 +/-    0.37  0.060 / 0.080
G27     291.2          36.1               10.0 +/-    1.15      15.6 +/-    1.15  0.050 / 0.080
G32     215.5          41.2               13.6 +/-    0.62      19.5 +/-    0.62  0.090 / 0.200