PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/08-23:43:00 G08 268.1 19.0 11.9 +/- 1.52 26.8 +/- 1.52 0.020 / 0.030 G10 55.6 59.9 10.1 +/- 0.18 11.5 +/- 0.18 0.020 / 0.030 G11 312.2 16.8 9.8 +/- 2.30 23.3 +/- 2.30 0.110 / 0.160 G14 264.1 66.1 10.6 +/- 1.08 11.5 +/- 1.08 0.110 / 0.150 G18 89.8 37.5 12.2 +/- 1.09 18.4 +/- 1.09 0.140 / 0.320 G21 153.3 15.5 13.7 +/- 5.32 33.7 +/- 5.32 0.170 / 0.420 G24 41.2 13.0 8.7 +/- 1.39 22.6 +/- 1.39 0.100 / 0.250 G27 232.1 16.9 15.6 +/- 1.67 37.1 +/- 1.67 0.090 / 0.260 G31 181.1 25.4 14.9 +/- 1.48 28.9 +/- 1.48 0.060 / 0.060 G32 316.4 74.7 10.3 +/- 0.88 10.6 +/- 0.88 0.040 / 0.050