PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-00:57:40
G08     286.0          23.6                7.2 +/-    1.91      14.6 +/-    1.91  0.100 / 0.110
G10     19.5           63.0                6.7 +/-    0.69       7.5 +/-    0.69  0.110 / 0.140
G14     234.7          50.2                9.1 +/-    0.62      11.5 +/-    0.62  0.060 / 0.110
G18     317.6          14.5                6.6 +/-    1.07      16.7 +/-    1.07  0.050 / 0.110
G20     352.3          65.5               10.1 +/-    0.68      10.9 +/-    0.68  0.050 / 0.090
G21     149.2          36.4                7.6 +/-    1.33      11.7 +/-    1.33  0.050 / 0.080
G24     50.3           21.7                6.0 +/-    1.49      12.7 +/-    1.49  0.100 / 0.160
G27     249.3          28.9                8.0 +/-    1.45      14.3 +/-    1.45  0.090 / 0.190
G31     181.3          12.5                8.2 +/-    4.75      21.7 +/-    4.75  0.080 / 0.210
G32     262.0          73.5                8.3 +/-    0.40       8.6 +/-    0.40  0.080 / 0.160