PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-04:12:40
G01     318.5          19.3                7.1 +/-    2.63      16.0 +/-    2.63  0.350 / 0.370
G08     255.4          12.3               11.9 +/-    2.11      31.7 +/-    2.11  0.250 / 0.250
G10     82.5           52.1                7.0 +/-    0.95       8.6 +/-    0.95  0.180 / 0.260
G11     301.1          24.1                6.2 +/-    1.62      12.3 +/-    1.62  0.240 / 0.280
G14     297.0          69.9                7.2 +/-    1.34       7.6 +/-    1.34  0.040 / 0.050
G18     303.0          41.5                6.5 +/-    0.96       9.3 +/-    0.96  0.040 / 0.040
G20     97.2           48.5               14.1 +/-    1.55      18.1 +/-    1.55  0.070 / 0.200
G22     301.7          11.9                6.8 +/-    6.99      18.1 +/-    6.99  0.100 / 0.150
G31     173.4          45.8                8.4 +/-    0.61      11.2 +/-    0.61  0.220 / 0.350
G32     14.7           65.0                5.7 +/-    0.35       6.2 +/-    0.35  0.240 / 0.360