PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-23:43:00
G08     287.1          23.4               10.0 +/-    0.82      20.3 +/-    0.82  0.040 / 0.100
G10     18.6           62.9                8.2 +/-    0.75       9.1 +/-    0.75  0.090 / 0.100
G14     234.2          49.8               12.1 +/-    2.28      15.2 +/-    2.28  0.060 / 0.120
G18     317.6          14.7                7.7 +/-    1.10      19.3 +/-    1.10  0.080 / 0.110
G20     71.8           49.6               10.4 +/-    0.85      13.2 +/-    0.85  0.110 / 0.120
G21     148.8          35.7               11.2 +/-    0.83      17.5 +/-    0.83  0.110 / 0.120
G24     50.3           21.5                9.1 +/-    2.82      19.4 +/-    2.82  0.030 / 0.030
G27     250.5          29.2               11.6 +/-    1.63      20.7 +/-    1.63  0.030 / 0.020
G31     182.5          11.0                2.3 +/-   26.99       6.2 +/-   26.99  0.120 / 0.140
G32     259.2          72.5               10.2 +/-    0.41      10.7 +/-    0.41  0.130 / 0.130