PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-22:27:50
G08     269.9          20.0                9.9 +/-    1.57      21.7 +/-    1.57  0.200 / 0.260
G10     53.2           59.7                9.2 +/-    0.83      10.4 +/-    0.83  0.290 / 0.450
G14     257.1          63.2                9.7 +/-    0.66      10.7 +/-    0.66  0.140 / 0.250
G18     314.0          29.4                7.3 +/-    1.59      13.0 +/-    1.59  0.110 / 0.190
G20     90.8           39.6                9.0 +/-    1.08      13.1 +/-    1.08  0.050 / 0.050
G21     153.8          19.1                9.8 +/-    1.83      22.1 +/-    1.83  0.040 / 0.050
G24     40.2           10.6                8.6 +/-    2.04      23.6 +/-    2.04  0.170 / 0.290
G27     236.6          19.2               11.0 +/-    3.91      24.6 +/-    3.91  0.130 / 0.350
G31     179.4          25.5               11.5 +/-    1.50      22.1 +/-    1.50  0.090 / 0.110
G32     324.6          75.9                9.3 +/-    0.34       9.6 +/-    0.34  0.100 / 0.140