PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-19:42:30
G08     275.8          22.0                8.4 +/-    1.06      17.7 +/-    1.06  0.100 / 0.170
G10     41.0           61.4                8.7 +/-    0.79       9.7 +/-    0.79  0.120 / 0.210
G14     247.0          59.3                9.7 +/-    0.94      11.0 +/-    0.94  0.050 / 0.050
G20     84.2           43.4                9.7 +/-    1.56      13.4 +/-    1.56  0.050 / 0.060
G21     152.0          23.8               10.0 +/-    3.12      20.0 +/-    3.12  0.230 / 0.280
G24     42.7           14.1                7.5 +/-    3.94      19.0 +/-    3.94  0.160 / 0.230
G27     242.3          23.4                9.8 +/-    1.83      19.9 +/-    1.83  0.270 / 0.300
G31     181.8          18.1               10.6 +/-    1.93      24.3 +/-    1.93  0.270 / 0.310
G32     293.2          76.0                9.1 +/-    0.39       9.4 +/-    0.39  0.110 / 0.150