PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/24-17:27:40 G05 51.0 14.2 6.3 +/- 2.31 16.1 +/- 2.31 0.100 / 0.380 G10 241.3 18.6 11.0 +/- 1.75 25.1 +/- 1.75 0.090 / 0.440 G13 65.8 34.7 6.9 +/- 1.86 11.0 +/- 1.86 0.040 / 0.060 G15 117.2 56.6 10.4 +/- 0.58 12.2 +/- 0.58 0.070 / 0.060 G16 307.2 14.5 5.0 +/- 2.03 12.7 +/- 2.03 0.300 / 0.240 G20 255.7 42.7 11.6 +/- 2.10 16.2 +/- 2.10 0.350 / 0.200 G21 322.0 52.9 9.6 +/- 0.98 11.7 +/- 0.98 0.050 / 0.120 G26 280.2 19.0 8.4 +/- 0.82 18.9 +/- 0.82 0.070 / 0.110 G29 159.7 63.4 10.4 +/- 0.67 11.5 +/- 0.67 0.040 / 0.050