PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/26-16:42:30 G10 248.9 27.2 14.2 +/- 0.86 26.3 +/- 0.86 0.030 / 0.050 G13 54.7 29.6 8.7 +/- 0.57 15.4 +/- 0.57 0.030 / 0.060 G15 87.3 57.0 10.1 +/- 0.67 11.8 +/- 0.67 0.160 / 0.720 G16 296.9 16.0 6.6 +/- 2.97 16.0 +/- 2.97 0.230 / 0.670 G20 269.4 51.5 10.8 +/- 1.21 13.3 +/- 1.21 0.030 / 0.050 G21 331.9 58.4 8.3 +/- 0.77 9.5 +/- 0.77 0.040 / 0.060 G26 270.0 16.2 9.3 +/- 2.55 22.6 +/- 2.55 0.060 / 0.180 G29 163.2 53.4 12.2 +/- 1.31 14.8 +/- 1.31 0.060 / 0.170