PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-23:27:50
G08     270.8          20.2                6.9 +/-    3.61      15.0 +/-    3.61  0.120 / 0.180
G10     51.8           60.0                7.6 +/-    0.42       8.6 +/-    0.42  0.160 / 0.190
G14     255.6          62.5                6.9 +/-    1.01       7.6 +/-    1.01  0.050 / 0.060
G18     314.4          28.5                7.5 +/-    2.94      13.5 +/-    2.94  0.060 / 0.070
G20     90.1           40.0                9.4 +/-    0.46      13.6 +/-    0.46  0.130 / 0.260
G21     153.8          20.1               10.7 +/-    1.19      23.4 +/-    1.19  0.140 / 0.320
G24     40.7           11.4                7.3 +/-    1.61      19.7 +/-    1.61  0.150 / 0.310
G27     236.8          19.6               10.1 +/-    1.28      22.4 +/-    1.28  0.130 / 0.300
G31     179.1          25.4                9.9 +/-    2.01      19.2 +/-    2.01  0.100 / 0.270
G32     323.1          76.1                8.2 +/-    0.75       8.4 +/-    0.75  0.090 / 0.220