PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-04:43:00 G08 276.6 21.1 7.8 +/- 1.40 16.7 +/- 1.40 0.110 / 0.190 G10 43.5 61.3 5.9 +/- 0.45 6.7 +/- 0.45 0.100 / 0.210 G14 247.9 57.5 9.2 +/- 0.75 10.7 +/- 0.75 0.040 / 0.060 G18 316.0 23.8 6.1 +/- 1.20 12.3 +/- 1.20 0.040 / 0.070 G20 77.2 52.1 7.6 +/- 0.59 9.3 +/- 0.59 0.030 / 0.030 G21 153.0 24.9 6.7 +/- 0.87 13.0 +/- 0.87 0.030 / 0.030 G24 43.4 15.4 4.8 +/- 1.70 11.8 +/- 1.70 0.110 / 0.200 G27 238.9 21.9 10.2 +/- 1.23 21.4 +/- 1.23 0.110 / 0.190 G31 178.6 23.1 8.3 +/- 1.94 17.1 +/- 1.94 0.110 / 0.250 G32 309.7 76.9 7.0 +/- 0.53 7.2 +/- 0.53 0.120 / 0.250