PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-02:58:10
G08     290.9          23.6                8.6 +/-    1.35      17.4 +/-    1.35  0.030 / 0.030
G10     6.4            63.2                7.3 +/-    0.66       8.1 +/-    0.66  0.030 / 0.030
G14     231.0          48.8               10.6 +/-    1.26      13.5 +/-    1.26  0.050 / 0.100
G18     62.7           51.9                8.2 +/-    0.77      10.1 +/-    0.77  0.040 / 0.100
G21     146.3          39.5               10.7 +/-    0.42      15.7 +/-    0.42  0.050 / 0.080
G24     56.7           26.4                7.2 +/-    0.91      13.7 +/-    0.91  0.070 / 0.080
G27     251.9          31.0               11.5 +/-    0.90      19.7 +/-    0.90  0.050 / 0.120
G32     246.6          66.9               10.3 +/-    0.71      11.0 +/-    0.71  0.060 / 0.110