PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/29-06:13:10 G07 48.2 69.3 6.1 +/- 0.70 6.5 +/- 0.70 0.210 / 0.380 G08 51.2 39.4 4.8 +/- 1.36 7.1 +/- 1.36 0.200 / 0.250 G09 175.0 35.0 7.7 +/- 0.76 12.2 +/- 0.76 0.170 / 0.250 G11 119.3 34.1 7.6 +/- 1.77 12.2 +/- 1.77 0.350 / 0.330 G17 198.7 14.2 4.9 +/- 3.61 12.5 +/- 3.61 0.030 / 0.050 G18 104.1 15.3 5.8 +/- 1.66 14.4 +/- 1.66 0.030 / 0.030 G23 161.4 11.8 4.5 +/- 2.09 12.0 +/- 2.09 0.030 / 0.030 G27 38.0 10.9 4.2 +/- 2.22 11.4 +/- 2.22 0.040 / 0.030 G28 270.4 50.3 8.4 +/- 2.15 10.6 +/- 2.15 0.140 / 0.320 G30 327.7 56.9 5.6 +/- 0.55 6.6 +/- 0.55 0.160 / 0.340