PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/16-03:27:50 G08 265.8 18.3 10.8 +/- 1.38 24.8 +/- 1.38 0.030 / 0.020 G10 59.0 59.3 7.4 +/- 0.88 8.4 +/- 0.88 0.020 / 0.020 G11 310.3 18.9 8.9 +/- 1.74 20.1 +/- 1.74 0.170 / 0.360 G14 269.2 67.5 7.9 +/- 0.96 8.4 +/- 0.96 0.190 / 0.410 G18 90.8 37.6 7.2 +/- 0.86 10.9 +/- 0.86 0.250 / 0.220 G21 154.1 15.3 8.2 +/- 4.31 20.2 +/- 4.31 0.170 / 0.230 G24 40.4 11.7 6.7 +/- 2.06 18.0 +/- 2.06 0.030 / 0.030 G27 230.6 15.6 11.5 +/- 1.51 28.2 +/- 1.51 0.030 / 0.030 G31 178.8 29.5 10.0 +/- 1.41 17.7 +/- 1.41 0.200 / 0.230 G32 331.4 74.4 6.9 +/- 0.43 7.2 +/- 0.43 0.170 / 0.190