PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-00:57:50
G08     316.2          15.2                6.3 +/-    3.13      15.5 +/-    3.13  0.050 / 0.060
G10     315.2          56.8                9.0 +/-    1.17      10.5 +/-    1.17  0.050 / 0.060
G14     213.9          20.7               16.7 +/-    4.06      36.2 +/-    4.06  0.030 / 0.030
G15     45.8           21.4                6.5 +/-    2.37      13.9 +/-    2.37  0.030 / 0.040
G20     313.7          56.1               22.2 +/-    1.14      26.2 +/-    1.14  0.140 / 0.320
G21     121.8          66.9               11.1 +/-    0.76      11.9 +/-    0.76  0.200 / 0.200
G24     83.2           29.1                9.7 +/-    1.41      17.2 +/-    1.41  0.070 / 0.100
G27     287.4          37.3               10.4 +/-    1.74      15.8 +/-    1.74  0.080 / 0.110
G32     216.0          44.9               14.6 +/-    1.09      19.7 +/-    1.09  0.160 / 0.340