PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-02:27:50
G10     263.4          35.9               10.4 +/-    1.48      16.2 +/-    1.48  0.050 / 0.060
G13     43.7           20.9                7.1 +/-    0.98      15.3 +/-    0.98  0.050 / 0.050
G15     64.6           52.6                8.3 +/-    0.37      10.2 +/-    0.37  0.150 / 0.350
G16     281.1          13.3                7.3 +/-    1.65      18.9 +/-    1.65  0.140 / 0.290
G20     285.5          55.2                9.5 +/-    1.03      11.3 +/-    1.03  0.100 / 0.290
G21     353.1          69.2                8.4 +/-    0.98       8.9 +/-    0.98  0.110 / 0.280
G24     122.4          12.3                9.1 +/-    1.90      24.1 +/-    1.90  0.070 / 0.310
G27     320.0          16.2                5.0 +/-    1.47      12.1 +/-    1.47  0.080 / 0.340
G29     168.0          35.8                9.2 +/-    1.46      14.3 +/-    1.46  0.040 / 0.080