PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-21:12:40
G01     313.6          27.0               10.0 +/-    1.46      18.6 +/-    1.46  0.090 / 0.160
G10     95.5           46.9                9.8 +/-    0.78      12.9 +/-    0.78  0.100 / 0.140
G11     291.9          27.2                9.8 +/-    0.88      18.3 +/-    0.88  0.140 / 0.150
G14     335.4          70.2                9.7 +/-    0.37      10.3 +/-    0.37  0.100 / 0.160
G18     111.4          19.7               10.9 +/-    2.33      24.2 +/-    2.33  0.040 / 0.040
G22     305.8          18.1               10.5 +/-    2.30      24.3 +/-    2.30  0.050 / 0.040
G25     90.1           13.5               11.2 +/-    2.05      28.9 +/-    2.05  0.130 / 0.280
G31     175.7          52.8               13.2 +/-    0.68      16.2 +/-    0.68  0.110 / 0.220
G32     23.3           60.1                9.6 +/-    1.04      10.9 +/-    1.04  0.030 / 0.030