PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/28-23:27:40
G01     309.7          31.0                9.3 +/-    2.39      15.9 +/-    2.39  0.070 / 0.150
G10     102.1          43.2               11.2 +/-    0.62      15.5 +/-    0.62  0.070 / 0.180
G11     285.0          28.6                8.9 +/-    1.27      16.1 +/-    1.27  0.060 / 0.190
G14     351.9          68.0                9.2 +/-    0.70       9.8 +/-    0.70  0.090 / 0.230
G18     115.2          16.2               10.3 +/-    2.14      24.8 +/-    2.14  0.040 / 0.050
G22     308.1          22.3                8.0 +/-    1.68      16.7 +/-    1.68  0.030 / 0.040
G25     83.9           15.4               10.9 +/-    1.31      26.8 +/-    1.31  0.100 / 0.110
G31     175.9          57.7               12.6 +/-    1.58      14.7 +/-    1.58  0.100 / 0.100
G32     29.1           56.9                8.7 +/-    0.88      10.2 +/-    0.88  0.030 / 0.040