PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-02:28:10
G08     317.8          13.7                8.0 +/-    2.76      20.5 +/-    2.76  0.060 / 0.050
G10     312.7          56.2                8.9 +/-    2.07      10.4 +/-    2.07  0.050 / 0.080
G14     213.6          18.6               11.9 +/-    1.28      27.0 +/-    1.28  0.030 / 0.070
G15     45.7           21.8                6.3 +/-    2.48      13.2 +/-    2.48  0.030 / 0.030
G20     335.5          63.1               16.3 +/-    0.67      18.1 +/-    0.67  0.160 / 0.310
G21     119.4          67.9               11.4 +/-    1.16      12.2 +/-    1.16  0.140 / 0.420
G24     85.2           29.0                8.4 +/-    1.40      15.1 +/-    1.40  0.080 / 0.090
G27     289.0          37.2               11.2 +/-    2.42      17.1 +/-    2.42  0.090 / 0.110
G32     215.2          43.5               10.8 +/-    0.97      14.9 +/-    0.97  0.090 / 0.280