PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/30-23:28:10 G08 317.8 14.0 10.0 +/- 1.94 25.5 +/- 1.94 0.060 / 0.070 G10 309.8 55.5 10.4 +/- 1.51 12.3 +/- 1.51 0.080 / 0.070 G14 212.6 18.4 16.2 +/- 2.24 37.1 +/- 2.24 0.030 / 0.040 G15 45.8 24.9 7.4 +/- 3.14 14.6 +/- 3.14 0.030 / 0.030 G20 296.7 45.0 8.1 +/- 0.70 10.9 +/- 0.70 0.090 / 0.360 G21 115.5 69.7 12.2 +/- 0.79 12.9 +/- 0.79 0.110 / 0.390 G24 86.7 28.5 11.4 +/- 1.53 20.6 +/- 1.53 0.100 / 0.100 G27 291.7 36.7 10.6 +/- 1.75 16.4 +/- 1.75 0.080 / 0.110 G32 214.0 41.7 14.0 +/- 0.93 19.8 +/- 0.93 0.140 / 0.300