PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/11-03:28:00 G08 284.9 21.8 8.3 +/- 1.10 17.5 +/- 1.10 0.090 / 0.150 G10 34.3 61.7 5.9 +/- 1.88 6.6 +/- 1.88 0.090 / 0.160 G14 240.6 55.4 7.6 +/- 2.66 9.0 +/- 2.66 0.030 / 0.030 G18 317.3 20.0 4.4 +/- 1.91 9.7 +/- 1.91 0.040 / 0.030 G20 79.4 46.2 4.2 +/- 1.11 5.6 +/- 1.11 0.070 / 0.130 G21 151.5 30.3 8.1 +/- 2.58 14.1 +/- 2.58 0.070 / 0.130 G24 47.8 20.0 4.8 +/- 2.80 10.5 +/- 2.80 0.120 / 0.100 G27 244.4 26.0 7.5 +/- 1.58 14.3 +/- 1.58 0.100 / 0.100 G31 180.5 16.9 7.9 +/- 1.30 18.7 +/- 1.30 0.320 / 0.300 G32 272.1 73.7 5.6 +/- 0.63 5.9 +/- 0.63 0.140 / 0.340