PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/11-06:12:40 G08 318.0 13.6 6.7 +/- 4.45 17.3 +/- 4.45 0.070 / 0.060 G10 314.6 57.0 7.3 +/- 1.69 8.5 +/- 1.69 0.060 / 0.080 G14 212.8 21.3 9.6 +/- 1.46 20.4 +/- 1.46 0.040 / 0.030 G15 45.6 18.2 4.1 +/- 3.35 9.4 +/- 3.35 0.040 / 0.040 G20 16.0 63.7 7.8 +/- 0.81 8.6 +/- 0.81 0.050 / 0.040 G21 120.6 65.8 10.0 +/- 0.63 10.9 +/- 0.63 0.060 / 0.050 G24 85.8 29.2 9.2 +/- 1.71 16.4 +/- 1.71 0.150 / 0.200 G27 290.4 36.8 7.9 +/- 3.03 12.2 +/- 3.03 0.150 / 0.160 G32 215.7 37.8 9.7 +/- 1.31 14.6 +/- 1.31 0.080 / 0.120