PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/23-09:57:40 G02 341.9 79.3 6.5 +/- 1.12 6.6 +/- 1.12 0.090 / 0.100 G05 168.0 28.8 8.8 +/- 0.80 15.8 +/- 0.80 0.090 / 0.110 G06 40.6 42.1 4.1 +/- 0.39 5.8 +/- 0.39 0.030 / 0.040 G12 314.8 71.8 5.3 +/- 0.49 5.6 +/- 0.49 0.030 / 0.040 G17 83.4 12.5 6.8 +/- 1.96 17.9 +/- 1.96 0.040 / 0.030 G19 73.1 26.7 6.2 +/- 1.53 11.7 +/- 1.53 0.050 / 0.030 G24 231.9 24.7 7.0 +/- 1.50 13.8 +/- 1.50 0.060 / 0.100 G25 317.1 26.1 1.8 +/- 3.52 3.4 +/- 3.52 0.060 / 0.110