PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/27-16:12:50 G10 302.9 54.3 7.8 +/- 1.04 9.4 +/- 1.04 0.060 / 0.080 G15 45.5 23.1 4.7 +/- 0.46 9.6 +/- 0.46 0.050 / 0.090 G20 5.4 64.6 7.9 +/- 0.40 8.6 +/- 0.40 0.040 / 0.040 G21 103.3 72.2 9.3 +/- 0.87 9.7 +/- 0.87 0.030 / 0.040 G24 97.1 27.6 10.1 +/- 0.87 18.7 +/- 0.87 0.040 / 0.040 G27 298.3 35.5 9.3 +/- 0.91 14.6 +/- 0.91 0.040 / 0.040 G32 210.6 35.6 11.0 +/- 1.16 17.3 +/- 1.16 0.050 / 0.130