PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-03:12:50
G08     264.4          17.3               10.5 +/-    1.68      24.6 +/-    1.68  0.230 / 0.430
G10     65.3           57.4                8.0 +/-    0.96       9.3 +/-    0.96  0.190 / 0.210
G11     309.7          18.9                6.0 +/-    1.51      13.5 +/-    1.51  0.160 / 0.340
G14     269.4          66.1                8.1 +/-    0.62       8.8 +/-    0.62  0.090 / 0.320
G18     311.2          33.6                5.8 +/-    0.96       9.5 +/-    0.96  0.040 / 0.050
G20     76.4           59.8                9.6 +/-    0.61      10.9 +/-    0.61  0.040 / 0.050
G21     155.4          14.3                4.8 +/-    1.76      12.1 +/-    1.76  0.100 / 0.280
G27     230.4          14.5               10.1 +/-    1.70      25.4 +/-    1.70  0.130 / 0.230
G31     176.1          34.4                6.8 +/-    1.67      10.9 +/-    1.67  0.130 / 0.170
G32     352.5          72.4                7.1 +/-    0.67       7.4 +/-    0.67  0.130 / 0.180