PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/04-17:28:00 G10 258.2 32.9 11.5 +/- 1.45 19.0 +/- 1.45 0.170 / 0.350 G13 46.7 24.3 11.6 +/- 0.82 23.1 +/- 0.82 0.050 / 0.050 G15 74.4 56.6 9.3 +/- 0.46 10.9 +/- 0.46 0.050 / 0.060 G16 287.8 14.4 8.8 +/- 0.89 22.2 +/- 0.89 0.130 / 0.330 G20 282.3 56.0 12.9 +/- 1.05 15.2 +/- 1.05 0.100 / 0.390 G21 348.9 66.9 9.8 +/- 0.56 10.5 +/- 0.56 0.080 / 0.230 G26 261.4 11.9 8.4 +/- 6.48 22.4 +/- 6.48 0.060 / 0.210 G27 322.3 10.3 -14.9 +/- 19.92 -41.2 +/- 19.92 0.030 / 0.050 G29 166.1 40.2 13.3 +/- 0.66 19.3 +/- 0.66 0.030 / 0.050