PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/11-08:58:10 G03 194.1 26.6 6.5 +/- 3.53 12.3 +/- 3.53 0.120 / 0.240 G07 285.7 34.9 6.1 +/- 1.45 9.8 +/- 1.45 0.120 / 0.270 G08 143.1 24.8 6.8 +/- 1.96 13.4 +/- 1.96 0.080 / 0.090 G09 321.9 61.0 3.8 +/- 1.15 4.2 +/- 1.15 0.060 / 0.090 G16 43.9 40.5 2.5 +/- 0.91 3.6 +/- 0.91 0.100 / 0.080 G22 179.2 10.9 3.2 +/- 3.56 8.8 +/- 3.56 0.060 / 0.090 G23 85.2 82.8 3.5 +/- 0.58 3.5 +/- 0.58 0.030 / 0.020 G26 43.0 13.3 1.9 +/- 1.92 4.8 +/- 1.92 0.030 / 0.020 G27 105.4 31.6 6.7 +/- 1.00 11.3 +/- 1.00 0.060 / 0.090