PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/30-02:12:40
G08     307.1          20.2                9.1 +/-    1.98      20.0 +/-    1.98  0.060 / 0.080
G10     336.7          60.7                8.6 +/-    0.44       9.7 +/-    0.44  0.080 / 0.080
G14     219.5          31.1               12.2 +/-    2.91      20.9 +/-    2.91  0.100 / 0.180
G15     47.3           11.1                6.7 +/-    1.70      18.3 +/-    1.70  0.090 / 0.190
G20     349.4          64.4                9.9 +/-    1.10      10.8 +/-    1.10  0.040 / 0.030
G21     136.5          55.9               10.4 +/-    0.83      12.2 +/-    0.83  0.030 / 0.030
G24     69.9           29.1                7.7 +/-    0.76      13.8 +/-    0.76  0.070 / 0.090
G27     272.0          37.0               11.0 +/-    1.09      16.8 +/-    1.09  0.050 / 0.090
G32     225.5          56.5               11.4 +/-    0.82      13.4 +/-    0.82  0.030 / 0.050