PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-05:13:10
G01     318.6          19.2                8.0 +/-    2.16      18.0 +/-    2.16  0.380 / 0.460
G08     256.2          12.4                8.1 +/-    5.16      21.3 +/-    5.16  0.410 / 0.280
G10     82.2           52.2                5.9 +/-    1.00       7.2 +/-    1.00  0.150 / 0.170
G11     301.6          23.8                6.3 +/-    2.60      12.6 +/-    2.60  0.140 / 0.140
G14     295.0          69.6                7.3 +/-    0.63       7.7 +/-    0.63  0.060 / 0.140
G18     303.3          41.2                6.7 +/-    1.63       9.5 +/-    1.63  0.060 / 0.170
G20     101.6          40.3               12.1 +/-    0.60      17.4 +/-    0.60  0.040 / 0.040
G22     301.8          12.5                7.9 +/-    1.82      20.8 +/-    1.82  0.040 / 0.050
G31     173.4          45.7                8.6 +/-    1.35      11.5 +/-    1.35  0.330 / 0.320
G32     14.4           65.1                5.3 +/-    0.53       5.8 +/-    0.53  0.270 / 0.260