PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/29-21:12:50 G08 270.3 20.3 11.0 +/- 1.75 24.0 +/- 1.75 0.050 / 0.060 G10 52.1 59.9 9.5 +/- 1.19 10.8 +/- 1.19 0.050 / 0.050 G14 256.2 63.1 12.7 +/- 0.58 14.0 +/- 0.58 0.150 / 0.300 G18 314.2 29.3 8.6 +/- 1.28 15.2 +/- 1.28 0.100 / 0.270 G20 90.2 39.9 10.4 +/- 1.00 15.2 +/- 1.00 0.100 / 0.290 G21 153.5 19.1 12.9 +/- 2.83 28.9 +/- 2.83 0.150 / 0.230 G24 40.3 10.7 7.9 +/- 5.27 21.6 +/- 5.27 0.200 / 0.300 G27 237.3 19.7 11.4 +/- 2.95 25.2 +/- 2.95 0.130 / 0.320 G31 180.1 24.3 12.4 +/- 1.93 24.6 +/- 1.93 0.200 / 0.270 G32 320.3 76.0 11.5 +/- 0.76 11.8 +/- 0.76 0.190 / 0.240