PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/05-06:58:10 G03 198.3 34.9 5.4 +/- 0.91 8.6 +/- 0.91 0.130 / 0.210 G07 278.2 30.5 4.9 +/- 1.02 8.4 +/- 1.02 0.140 / 0.240 G08 147.3 18.7 4.8 +/- 0.67 10.9 +/- 0.67 0.060 / 0.090 G09 321.2 53.8 4.2 +/- 0.41 5.1 +/- 0.41 0.060 / 0.090 G16 48.1 47.6 4.3 +/- 0.73 5.6 +/- 0.73 0.030 / 0.030 G22 182.7 18.9 3.1 +/- 1.43 7.1 +/- 1.43 0.030 / 0.030 G23 10.1 80.7 3.5 +/- 0.61 3.5 +/- 0.61 0.130 / 0.130 G26 43.0 20.1 2.5 +/- 2.66 5.6 +/- 2.66 0.110 / 0.110 G27 114.0 27.0 5.6 +/- 0.70 10.5 +/- 0.70 0.030 / 0.040