PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-21:42:40
G08     291.2          23.7                9.4 +/-    0.94      19.0 +/-    0.94  0.140 / 0.110
G10     9.3            63.0                9.4 +/-    0.99      10.4 +/-    0.99  0.110 / 0.090
G14     230.1          46.6               11.3 +/-    2.61      14.8 +/-    2.61  0.050 / 0.070
G18     317.6          11.5               -2.0 +/-   21.95      -5.5 +/-   21.95  0.050 / 0.080
G20     66.0           52.0                9.4 +/-    1.29      11.6 +/-    1.29  0.090 / 0.090
G21     146.7          39.3                9.8 +/-    0.97      14.5 +/-    0.97  0.080 / 0.080
G24     53.3           23.2                7.9 +/-    2.70      16.1 +/-    2.70  0.120 / 0.190
G27     255.5          31.5               11.1 +/-    2.39      18.9 +/-    2.39  0.150 / 0.180
G32     247.4          68.9                9.6 +/-    0.59      10.2 +/-    0.59  0.180 / 0.300