PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/23-09:13:00 G02 233.0 74.0 7.3 +/- 0.78 7.5 +/- 0.78 0.090 / 0.220 G05 175.4 10.5 -4.6 +/- 19.35 -12.8 +/- 19.35 0.160 / 0.250 G06 42.0 62.2 6.6 +/- 0.48 7.4 +/- 0.48 0.040 / 0.060 G12 321.8 50.7 5.9 +/- 0.86 7.4 +/- 0.86 0.030 / 0.060 G17 66.9 24.4 5.8 +/- 0.83 11.4 +/- 0.83 0.030 / 0.030 G19 53.8 39.4 6.2 +/- 0.85 9.2 +/- 0.85 0.040 / 0.040 G24 251.7 36.8 6.7 +/- 1.53 10.3 +/- 1.53 0.110 / 0.470 G28 128.2 12.0 8.8 +/- 1.59 23.5 +/- 1.59 0.110 / 0.430