PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-21:42:50
G10     262.3          35.5               12.9 +/-    2.10      20.3 +/-    2.10  0.060 / 0.050
G13     44.2           21.5                9.0 +/-    1.65      19.2 +/-    1.65  0.060 / 0.050
G15     70.4           56.5               11.9 +/-    0.49      14.0 +/-    0.49  0.160 / 0.300
G16     282.5          13.6               10.9 +/-    1.19      27.9 +/-    1.19  0.140 / 0.410
G20     289.1          58.1               12.3 +/-    1.23      14.3 +/-    1.23  0.100 / 0.450
G21     352.5          68.7               10.5 +/-    1.45      11.2 +/-    1.45  0.090 / 0.380
G24     122.0          11.8               13.4 +/-    1.97      35.8 +/-    1.97  0.130 / 0.360
G27     320.8          14.5                9.0 +/-    2.27      22.7 +/-    2.27  0.130 / 0.370
G29     167.6          36.7               13.5 +/-    0.82      20.8 +/-    0.82  0.070 / 0.250