PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-02:12:30
G08     289.4          23.6                9.7 +/-    1.51      19.7 +/-    1.51  0.030 / 0.030
G10     9.6            63.2                9.2 +/-    0.54      10.2 +/-    0.54  0.030 / 0.080
G14     232.4          50.0               12.1 +/-    0.72      15.3 +/-    0.72  0.040 / 0.100
G18     65.0           50.9               10.3 +/-    0.68      12.8 +/-    0.68  0.040 / 0.100
G21     146.9          37.8               10.7 +/-    0.77      16.1 +/-    0.77  0.060 / 0.120
G24     55.5           25.8               10.2 +/-    0.71      19.6 +/-    0.71  0.050 / 0.110
G27     250.4          30.3               12.1 +/-    1.76      21.1 +/-    1.76  0.040 / 0.070
G32     249.0          67.6               10.2 +/-    0.83      11.0 +/-    0.83  0.040 / 0.070