PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/23-23:27:50 G03 222.4 63.0 9.9 +/- 1.52 11.0 +/- 1.52 0.060 / 0.070 G07 253.7 13.2 9.7 +/- 3.12 25.2 +/- 3.12 0.060 / 0.060 G09 309.5 28.6 6.6 +/- 1.68 11.8 +/- 1.68 0.130 / 0.330 G14 104.4 13.2 8.6 +/- 1.66 22.4 +/- 1.66 0.120 / 0.380 G16 103.2 62.4 9.6 +/- 1.32 10.7 +/- 1.32 0.040 / 0.040 G22 192.9 47.0 11.3 +/- 0.60 14.8 +/- 0.60 0.040 / 0.040 G23 326.0 56.0 8.2 +/- 0.80 9.7 +/- 0.80 0.040 / 0.050 G26 58.1 46.2 6.1 +/- 0.90 8.1 +/- 0.90 0.040 / 0.040 G31 57.1 12.9 5.7 +/- 1.90 14.9 +/- 1.90 0.040 / 0.060