PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/06-18:27:30 G10 258.4 34.3 10.9 +/- 1.32 17.5 +/- 1.32 0.160 / 0.290 G13 46.3 23.4 8.8 +/- 0.77 17.8 +/- 0.77 0.110 / 0.280 G15 69.7 53.9 10.6 +/- 0.38 12.7 +/- 0.38 0.040 / 0.050 G16 286.7 15.0 8.3 +/- 1.49 20.7 +/- 1.49 0.040 / 0.060 G20 284.6 57.1 11.9 +/- 0.88 13.9 +/- 0.88 0.070 / 0.190 G21 345.3 65.5 8.9 +/- 0.90 9.7 +/- 0.90 0.080 / 0.220 G26 260.4 11.9 10.0 +/- 1.88 26.7 +/- 1.88 0.160 / 0.520 G27 321.8 11.6 1.6 +/- 30.94 4.3 +/- 30.94 0.140 / 0.470 G29 165.9 41.6 13.1 +/- 0.58 18.6 +/- 0.58 0.030 / 0.040