PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/08-04:27:40 G08 287.7 22.8 8.6 +/- 16.10 17.7 +/- 16.10 0.100 / 0.110 G10 20.5 63.0 4.4 +/- 10.80 4.9 +/- 10.80 0.080 / 0.150 G14 235.0 48.7 8.4 +/- 10.08 10.8 +/- 10.08 0.060 / 0.090 G18 317.6 14.5 4.6 +/- 12.88 11.7 +/- 12.88 0.050 / 0.090 G20 62.4 56.8 5.2 +/- 15.13 6.1 +/- 15.13 0.030 / 0.030 G21 149.4 35.4 6.5 +/- 8.48 10.2 +/- 8.48 0.030 / 0.030 G24 50.4 21.9 3.4 +/- 16.51 7.1 +/- 16.51 0.050 / 0.120 G27 248.4 28.4 8.8 +/- 14.97 15.9 +/- 14.97 0.060 / 0.120 G31 181.2 13.1 8.2 +/- 16.28 21.2 +/- 16.28 0.070 / 0.120 G32 264.2 73.8 5.5 +/- 15.18 5.7 +/- 15.18 0.060 / 0.150