PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/30-00:27:40 G01 220.2 12.9 8.4 +/- 6.77 21.9 +/- 6.77 0.040 / 0.050 G03 275.6 69.3 5.7 +/- 0.60 6.0 +/- 0.60 0.030 / 0.040 G09 297.9 13.4 8.4 +/- 3.96 21.7 +/- 3.96 0.170 / 0.380 G14 89.0 24.4 5.9 +/- 1.15 11.6 +/- 1.15 0.210 / 0.460 G16 138.1 50.2 8.2 +/- 0.70 10.3 +/- 0.70 0.070 / 0.060 G22 210.9 66.3 6.8 +/- 0.58 7.4 +/- 0.58 0.060 / 0.070 G23 311.6 41.6 6.3 +/- 0.98 8.9 +/- 0.98 0.080 / 0.210 G26 86.6 54.1 5.2 +/- 0.39 6.3 +/- 0.39 0.080 / 0.150 G31 47.9 26.8 4.7 +/- 1.16 8.8 +/- 1.16 0.030 / 0.040