PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/28-21:43:00
G08     314.0          16.9                8.5 +/-    2.97      20.2 +/-    2.97  0.070 / 0.090
G10     320.0          57.9                8.8 +/-    0.78      10.2 +/-    0.78  0.060 / 0.080
G14     214.8          24.0               12.1 +/-    2.62      24.1 +/-    2.62  0.130 / 0.260
G15     46.0           20.4                5.6 +/-    0.87      12.2 +/-    0.87  0.120 / 0.320
G20     24.1           62.8                8.5 +/-    0.44       9.4 +/-    0.44  0.040 / 0.050
G21     126.4          63.1                9.7 +/-    0.40      10.8 +/-    0.40  0.040 / 0.050
G24     78.8           28.9                7.7 +/-    0.82      13.8 +/-    0.82  0.080 / 0.130
G27     285.1          37.2                9.8 +/-    1.14      15.0 +/-    1.14  0.260 / 0.320
G32     217.8          46.6               12.2 +/-    1.11      16.1 +/-    1.11  0.110 / 0.180