PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-02:43:00
G08     286.8          23.5               10.2 +/-    1.32      20.7 +/-    1.32  0.050 / 0.030
G10     15.1           63.3               10.5 +/-    0.52      11.7 +/-    0.52  0.020 / 0.030
G14     235.0          52.3               11.6 +/-    2.00      14.2 +/-    2.00  0.050 / 0.090
G18     67.9           49.7                8.8 +/-    0.86      11.1 +/-    0.86  0.060 / 0.110
G21     148.1          35.5               10.6 +/-    0.84      16.7 +/-    0.84  0.230 / 0.140
G24     53.3           24.6                7.4 +/-    2.43      14.7 +/-    2.43  0.120 / 0.110
G27     247.9          28.9               12.0 +/-    1.34      21.5 +/-    1.34  0.030 / 0.030
G32     255.0          69.7                9.7 +/-    0.65      10.3 +/-    0.65  0.030 / 0.020