PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/24-18:42:40 G10 272.4 41.5 10.6 +/- 1.38 15.1 +/- 1.38 0.110 / 0.190 G13 39.8 14.3 8.4 +/- 4.49 21.3 +/- 4.49 0.110 / 0.180 G15 56.7 48.2 8.5 +/- 1.28 11.0 +/- 1.28 0.050 / 0.040 G16 274.7 10.5 6.1 +/- 2.81 16.9 +/- 2.81 0.050 / 0.050 G20 307.2 62.2 8.8 +/- 1.47 9.8 +/- 1.47 0.090 / 0.670 G21 20.5 74.7 9.8 +/- 0.89 10.1 +/- 0.89 0.100 / 0.630 G24 113.0 17.2 11.7 +/- 2.27 27.5 +/- 2.27 0.100 / 0.240 G27 317.1 21.1 6.2 +/- 5.16 13.3 +/- 5.16 0.120 / 0.270 G29 168.0 26.2 12.1 +/- 0.95 23.0 +/- 0.95 0.150 / 0.360 G32 204.9 13.8 10.9 +/- 3.24 27.9 +/- 3.24 0.100 / 0.270