PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/16-20:12:30 G08 292.6 23.1 8.7 +/- 1.84 17.7 +/- 1.84 0.090 / 0.100 G10 6.0 63.1 7.6 +/- 0.78 8.4 +/- 0.78 0.130 / 0.120 G14 230.4 47.3 10.6 +/- 0.94 13.8 +/- 0.94 0.070 / 0.120 G18 64.9 50.2 9.5 +/- 0.96 11.9 +/- 0.96 0.060 / 0.120 G21 145.5 36.1 12.7 +/- 1.14 19.7 +/- 1.14 0.050 / 0.120 G24 57.0 26.5 9.2 +/- 1.28 17.4 +/- 1.28 0.040 / 0.130 G27 252.6 31.3 11.0 +/- 1.27 18.8 +/- 1.27 0.040 / 0.030 G32 245.2 65.9 9.9 +/- 0.96 10.8 +/- 0.96 0.030 / 0.030