PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/31-23:28:10 G08 316.5 15.1 7.6 +/- 1.89 18.8 +/- 1.89 0.050 / 0.060 G10 312.9 56.3 10.6 +/- 0.88 12.5 +/- 0.88 0.060 / 0.060 G14 213.3 20.1 17.7 +/- 1.41 38.8 +/- 1.41 0.030 / 0.050 G15 45.8 23.3 7.1 +/- 0.62 14.4 +/- 0.62 0.030 / 0.040 G20 298.3 45.7 7.4 +/- 0.36 9.9 +/- 0.36 0.160 / 0.530 G21 119.2 68.2 11.7 +/- 0.71 12.5 +/- 0.71 0.210 / 0.380 G24 84.5 28.8 9.8 +/- 0.65 17.5 +/- 0.65 0.090 / 0.310 G27 289.4 37.1 10.0 +/- 1.10 15.3 +/- 1.10 0.110 / 0.390 G32 215.1 43.5 13.4 +/- 1.47 18.5 +/- 1.47 0.060 / 0.130