PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/26-03:58:10 G08 298.5 21.9 8.8 +/- 1.87 18.4 +/- 1.87 0.060 / 0.090 G10 4.0 62.7 6.6 +/- 0.45 7.4 +/- 0.45 0.050 / 0.090 G14 226.7 43.5 11.5 +/- 0.55 15.8 +/- 0.55 0.050 / 0.150 G20 60.8 54.0 7.2 +/- 0.40 8.6 +/- 0.40 0.060 / 0.120 G21 145.1 43.8 -0.7 +/- 0.98 -0.9 +/- 0.98 0.020 / 0.030 G24 59.1 26.8 5.5 +/- 1.39 10.2 +/- 1.39 0.030 / 0.030 G27 258.7 33.5 9.8 +/- 2.31 16.0 +/- 2.31 0.050 / 0.130 G32 238.5 63.1 9.7 +/- 0.81 10.7 +/- 0.81 0.050 / 0.090