PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/26-03:58:00 G08 298.9 21.8 9.0 +/- 2.57 18.9 +/- 2.57 0.080 / 0.100 G10 3.0 62.7 6.9 +/- 0.71 7.7 +/- 0.71 0.070 / 0.110 G14 226.3 43.1 8.8 +/- 2.27 12.2 +/- 2.27 0.040 / 0.020 G20 60.1 54.2 6.9 +/- 0.46 8.3 +/- 0.46 0.030 / 0.020 G21 144.9 44.2 8.3 +/- 1.08 11.3 +/- 1.08 0.040 / 0.060 G24 59.5 27.0 5.2 +/- 1.30 9.8 +/- 1.30 0.040 / 0.060 G27 259.2 33.7 10.4 +/- 1.68 16.9 +/- 1.68 0.090 / 0.110 G32 237.8 62.7 7.9 +/- 1.59 8.7 +/- 1.59 0.070 / 0.100