PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-02:42:50
G08     302.1          22.0                7.5 +/-    0.97      15.7 +/-    0.97  0.080 / 0.050
G10     342.8          61.4                8.3 +/-    0.76       9.3 +/-    0.76  0.070 / 0.060
G14     222.2          38.8               11.3 +/-    2.10      16.8 +/-    2.10  0.030 / 0.030
G18     46.9           57.4                9.6 +/-    1.12      11.2 +/-    1.12  0.030 / 0.020
G21     139.5          50.6               10.5 +/-    0.57      13.2 +/-    0.57  0.030 / 0.050
G24     68.1           29.9                7.9 +/-    1.88      13.9 +/-    1.88  0.030 / 0.060
G27     264.5          35.9               10.3 +/-    0.67      16.1 +/-    0.67  0.060 / 0.080
G32     230.0          57.3                9.8 +/-    2.42      11.4 +/-    2.42  0.070 / 0.080