PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/04-05:28:00 G08 298.1 22.2 6.6 +/- 1.57 13.8 +/- 1.57 0.050 / 0.090 G10 2.8 62.7 5.3 +/- 0.57 5.9 +/- 0.57 0.050 / 0.090 G14 226.3 43.5 9.8 +/- 0.70 13.4 +/- 0.70 0.060 / 0.100 G20 60.3 54.1 5.4 +/- 0.38 6.5 +/- 0.38 0.050 / 0.100 G21 144.8 43.7 8.5 +/- 1.82 11.7 +/- 1.82 0.080 / 0.130 G24 59.2 26.8 5.0 +/- 0.97 9.3 +/- 0.97 0.070 / 0.130 G27 259.5 33.6 8.4 +/- 1.40 13.6 +/- 1.40 0.030 / 0.040 G32 237.5 61.8 9.5 +/- 0.72 10.7 +/- 0.72 0.030 / 0.030