PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-00:42:50
G08     318.2          13.6                8.3 +/-    1.77      21.4 +/-    1.77  0.070 / 0.070
G10     310.0          55.6                8.8 +/-    1.88      10.4 +/-    1.88  0.070 / 0.090
G14     212.8          17.9               13.1 +/-    3.13      30.2 +/-    3.13  0.030 / 0.040
G15     45.8           24.1                8.5 +/-    2.68      17.0 +/-    2.68  0.030 / 0.040
G20     307.6          53.6               21.6 +/-    0.74      26.1 +/-    0.74  0.070 / 0.070
G21     116.0          69.5               10.3 +/-    0.86      10.9 +/-    0.86  0.070 / 0.070
G24     86.8           28.6               10.7 +/-    1.14      19.4 +/-    1.14  0.090 / 0.100
G27     291.3          36.8                8.9 +/-    2.08      13.7 +/-    2.08  0.090 / 0.100
G32     214.2          41.8               12.6 +/-    1.11      17.9 +/-    1.11  0.090 / 0.390