PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/07-22:43:10 G05 51.1 12.2 7.4 +/- 1.17 19.5 +/- 1.17 0.060 / 0.140 G10 240.2 17.1 15.9 +/- 1.21 37.5 +/- 1.21 0.060 / 0.140 G13 67.8 35.3 9.6 +/- 1.16 15.2 +/- 1.16 0.120 / 0.450 G15 119.5 55.7 10.9 +/- 0.61 12.9 +/- 0.61 0.120 / 0.570 G16 307.2 15.0 9.0 +/- 2.19 22.4 +/- 2.19 0.040 / 0.070 G20 246.0 16.0 7.6 +/- 0.90 18.4 +/- 0.90 0.060 / 0.060 G21 318.1 50.2 10.2 +/- 1.29 12.8 +/- 1.29 0.110 / 0.220 G26 279.5 20.0 9.8 +/- 1.26 21.7 +/- 1.26 0.110 / 0.280 G29 160.3 66.6 10.1 +/- 1.31 10.9 +/- 1.31 0.030 / 0.050