PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/16-21:43:00 G01 317.1 21.8 5.1 +/- 3.59 10.7 +/- 3.59 0.160 / 0.280 G08 252.7 10.7 8.5 +/- 2.22 23.5 +/- 2.22 0.100 / 0.250 G10 86.3 51.2 8.6 +/- 0.76 10.7 +/- 0.76 0.070 / 0.190 G11 298.6 25.4 8.8 +/- 1.62 17.0 +/- 1.62 0.070 / 0.180 G14 314.9 71.3 7.4 +/- 0.68 7.7 +/- 0.68 0.050 / 0.060 G18 106.2 24.7 9.3 +/- 1.11 18.3 +/- 1.11 0.050 / 0.070 G22 302.6 13.1 7.7 +/- 2.04 20.0 +/- 2.04 0.140 / 0.450 G25 96.1 10.6 -1.9 +/- 37.86 -5.2 +/- 37.86 0.110 / 0.440 G31 178.0 44.6 12.7 +/- 1.24 17.2 +/- 1.24 0.030 / 0.030 G32 12.1 65.2 6.9 +/- 0.81 7.5 +/- 0.81 0.030 / 0.030