PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-19:27:50
G08     264.1          17.9                9.7 +/-    1.48      22.6 +/-    1.48  0.040 / 0.040
G10     64.0           57.4                8.9 +/-    1.68      10.4 +/-    1.68  0.040 / 0.050
G11     309.9          18.9                8.1 +/-    1.06      18.4 +/-    1.06  0.210 / 0.250
G14     270.1          67.4                9.4 +/-    1.05      10.1 +/-    1.05  0.220 / 0.340
G20     96.6           35.7                8.9 +/-    1.28      14.0 +/-    1.28  0.150 / 0.280
G21     154.4          12.1               10.3 +/-    3.56      27.5 +/-    3.56  0.230 / 0.190
G27     232.9          15.7               10.3 +/-    4.11      25.1 +/-    4.11  0.150 / 0.150
G31     180.0          29.4                9.4 +/-    1.02      16.6 +/-    1.02  0.130 / 0.230
G32     341.3          73.8                9.1 +/-    0.43       9.4 +/-    0.43  0.060 / 0.100