PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-00:42:40
G08     270.5          20.0                9.6 +/-    1.47      21.1 +/-    1.47  0.550 / 0.280
G10     52.9           59.8                8.4 +/-    0.68       9.6 +/-    0.68  0.110 / 0.320
G14     256.4          62.5                9.6 +/-    1.19      10.7 +/-    1.19  0.040 / 0.050
G18     314.3          28.7                7.5 +/-    1.39      13.5 +/-    1.39  0.050 / 0.050
G20     90.7           39.7                8.1 +/-    0.72      11.8 +/-    0.72  0.150 / 0.210
G21     154.0          19.9               10.5 +/-    1.85      23.3 +/-    1.85  0.230 / 0.220
G24     40.6           11.3                7.7 +/-    2.29      20.9 +/-    2.29  0.150 / 0.240
G27     236.1          19.1               11.3 +/-    4.26      25.3 +/-    4.26  0.160 / 0.240
G31     178.6          26.4               12.1 +/-    1.23      22.9 +/-    1.23  0.110 / 0.310
G32     326.9          75.9                9.3 +/-    0.91       9.6 +/-    0.91  0.100 / 0.350