PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/29-15:27:20 G05 170.5 20.4 10.6 +/- 1.16 23.0 +/- 1.16 0.160 / 0.140 G06 39.7 51.4 8.0 +/- 0.36 9.9 +/- 0.36 0.110 / 0.110 G12 320.8 58.0 8.5 +/- 1.17 9.9 +/- 1.17 0.060 / 0.050 G17 73.9 21.1 7.8 +/- 1.22 16.7 +/- 1.22 0.030 / 0.050 G19 63.7 33.2 8.3 +/- 1.10 13.6 +/- 1.10 0.160 / 0.450 G24 240.4 31.1 13.0 +/- 1.45 22.3 +/- 1.45 0.160 / 0.310 G25 317.1 16.4 7.4 +/- 4.22 17.9 +/- 4.22 0.030 / 0.050