PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/29-00:58:00 G03 238.9 68.0 5.0 +/- 0.96 5.4 +/- 0.96 0.050 / 0.060 G09 304.9 21.7 4.5 +/- 4.44 9.4 +/- 4.44 0.050 / 0.050 G14 98.9 17.0 5.7 +/- 2.30 13.4 +/- 2.30 0.130 / 0.390 G16 119.9 59.2 6.5 +/- 0.49 7.4 +/- 0.49 0.140 / 0.310 G22 197.6 54.9 6.6 +/- 1.05 7.9 +/- 1.05 0.040 / 0.060 G23 320.6 50.5 5.2 +/- 1.15 6.5 +/- 1.15 0.050 / 0.050 G26 67.0 50.5 4.2 +/- 0.36 5.2 +/- 0.36 0.040 / 0.030 G31 53.3 17.7 2.4 +/- 0.80 5.6 +/- 0.80 0.030 / 0.040