PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-00:28:00 G08 271.6 20.4 11.8 +/- 1.67 25.8 +/- 1.67 0.040 / 0.020 G10 48.0 61.1 11.5 +/- 0.56 13.0 +/- 0.56 0.030 / 0.020 G11 314.3 14.5 7.9 +/- 2.48 19.8 +/- 2.48 0.290 / 0.240 G14 256.6 63.8 11.0 +/- 0.33 12.1 +/- 0.33 0.280 / 0.250 G18 85.8 40.1 11.0 +/- 1.05 16.0 +/- 1.05 0.100 / 0.270 G21 152.7 19.5 11.8 +/- 2.87 26.3 +/- 2.87 0.140 / 0.230 G24 43.1 15.6 9.1 +/- 2.18 22.4 +/- 2.18 0.090 / 0.170 G27 234.9 19.4 16.7 +/- 4.75 37.3 +/- 4.75 0.100 / 0.160 G31 181.2 22.3 11.8 +/- 2.60 24.5 +/- 2.60 0.230 / 0.330 G32 301.9 74.9 9.5 +/- 0.60 9.8 +/- 0.60 0.270 / 0.230