PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/12-19:12:40 G10 296.9 52.5 11.0 +/- 1.26 13.5 +/- 1.26 0.060 / 0.110 G15 46.2 28.4 8.8 +/- 0.78 16.0 +/- 0.78 0.060 / 0.110 G20 353.3 65.3 10.7 +/- 1.44 11.7 +/- 1.44 0.050 / 0.040 G21 89.1 75.3 13.3 +/- 0.92 13.7 +/- 0.92 0.040 / 0.050 G24 101.3 26.1 14.4 +/- 0.36 27.5 +/- 0.36 0.070 / 0.140 G27 302.5 33.7 13.3 +/- 1.66 21.6 +/- 1.66 0.070 / 0.150 G32 209.2 31.3 11.2 +/- 2.51 19.0 +/- 2.51 0.050 / 0.110