PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-22:43:00
G08     286.1          23.5                9.1 +/-    1.33      18.3 +/-    1.33  0.080 / 0.120
G10     20.2           62.9                7.9 +/-    0.43       8.7 +/-    0.43  0.100 / 0.150
G14     234.9          50.7               12.9 +/-    1.22      16.1 +/-    1.22  0.050 / 0.080
G18     317.5          15.5                6.7 +/-    2.34      16.5 +/-    2.34  0.050 / 0.090
G20     72.7           49.2                9.3 +/-    0.80      11.9 +/-    0.80  0.050 / 0.120
G21     149.0          34.7               11.0 +/-    1.51      17.6 +/-    1.51  0.050 / 0.130
G24     49.5           20.9                6.2 +/-    0.70      13.5 +/-    0.70  0.110 / 0.180
G27     250.1          28.9                9.2 +/-    1.72      16.6 +/-    1.72  0.130 / 0.160
G31     182.6          11.2                7.0 +/-   26.64      19.1 +/-   26.64  0.080 / 0.150
G32     260.6          72.7               10.3 +/-    0.64      10.8 +/-    0.64  0.080 / 0.140