PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-23:13:20
G01     319.2          17.9                7.4 +/-    2.71      17.1 +/-    2.71  0.260 / 0.190
G08     255.8          13.2               11.2 +/-    3.06      29.0 +/-    3.06  0.110 / 0.150
G10     79.9           52.8               10.7 +/-    0.97      13.0 +/-    0.97  0.030 / 0.040
G11     302.3          23.7                8.0 +/-    2.00      16.0 +/-    2.00  0.030 / 0.040
G14     295.7          70.5                8.0 +/-    0.43       8.4 +/-    0.43  0.150 / 0.370
G18     303.8          41.6                8.7 +/-    1.59      12.3 +/-    1.59  0.120 / 0.260
G20     105.3          29.1               10.0 +/-    1.19      17.9 +/-    1.19  0.050 / 0.090
G31     176.2          41.7               11.0 +/-    1.18      15.5 +/-    1.18  0.050 / 0.080
G32     9.1            67.1                7.8 +/-    0.64       8.4 +/-    0.64  0.040 / 0.030