PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/24-04:12:50 G08 263.8 16.7 11.3 +/- 2.61 26.9 +/- 2.61 0.330 / 0.540 G10 67.4 56.9 5.7 +/- 0.41 6.6 +/- 0.41 0.300 / 0.420 G11 309.0 19.4 8.5 +/- 2.45 19.1 +/- 2.45 0.040 / 0.070 G14 271.5 66.3 8.1 +/- 0.59 8.7 +/- 0.59 0.040 / 0.060 G18 310.5 34.4 8.4 +/- 1.43 13.4 +/- 1.43 0.030 / 0.030 G20 87.1 51.9 9.7 +/- 0.51 11.9 +/- 0.51 0.030 / 0.030 G21 155.5 13.0 6.5 +/- 2.94 16.8 +/- 2.94 0.140 / 0.280 G27 229.4 13.7 6.9 +/- 28.30 17.7 +/- 28.30 0.120 / 0.300 G31 175.9 35.7 10.6 +/- 0.83 16.6 +/- 0.83 0.080 / 0.430 G32 355.8 71.6 7.2 +/- 0.36 7.5 +/- 0.36 0.090 / 0.450