PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-23:42:30
G01     307.2          33.0                9.0 +/-    1.49      14.8 +/-    1.49  0.120 / 0.150
G10     105.5          41.0               10.8 +/-    0.78      15.4 +/-    0.78  0.100 / 0.160
G11     281.4          28.8                9.5 +/-    1.09      17.0 +/-    1.09  0.030 / 0.050
G14     359.1          66.6                8.7 +/-    0.74       9.4 +/-    0.74  0.030 / 0.040
G18     117.2          14.0               10.6 +/-    1.83      26.9 +/-    1.83  0.060 / 0.100
G22     309.3          24.7                7.7 +/-    1.03      15.1 +/-    1.03  0.060 / 0.110
G25     80.8           16.3                9.7 +/-    2.19      23.4 +/-    2.19  0.080 / 0.340
G31     174.8          61.1               12.8 +/-    0.82      14.4 +/-    0.82  0.100 / 0.310
G32     32.7           54.7                8.2 +/-    0.41       9.8 +/-    0.41  0.030 / 0.040