PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/06-00:27:50 G01 318.3 19.4 12.2 +/- 2.33 27.2 +/- 2.33 0.040 / 0.030 G08 254.5 12.2 17.4 +/- 1.95 46.3 +/- 1.95 0.030 / 0.040 G10 81.6 53.1 13.6 +/- 0.86 16.5 +/- 0.86 0.150 / 0.230 G11 300.6 24.9 14.8 +/- 1.41 29.0 +/- 1.41 0.170 / 0.280 G14 306.8 71.5 13.7 +/- 0.74 14.3 +/- 0.74 0.110 / 0.400 G18 103.3 27.8 14.8 +/- 1.23 27.2 +/- 1.23 0.120 / 0.400 G22 301.1 11.0 3.8 +/- 16.40 10.2 +/- 16.40 0.050 / 0.050 G31 178.5 41.2 18.9 +/- 1.49 26.9 +/- 1.49 0.060 / 0.060 G32 1.9 68.2 11.8 +/- 0.69 12.6 +/- 0.69 0.160 / 0.360