PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/27-22:58:00 G03 235.6 67.3 7.2 +/- 0.68 7.8 +/- 0.68 0.050 / 0.050 G09 306.2 24.1 5.8 +/- 1.65 11.7 +/- 1.65 0.050 / 0.050 G14 99.6 16.9 7.3 +/- 1.15 17.3 +/- 1.15 0.130 / 0.290 G16 117.4 59.9 8.7 +/- 0.55 9.9 +/- 0.55 0.120 / 0.300 G22 196.3 53.4 9.2 +/- 0.97 11.2 +/- 0.97 0.040 / 0.030 G23 321.0 50.9 6.3 +/- 0.70 7.9 +/- 0.70 0.030 / 0.030 G26 65.6 50.1 5.3 +/- 0.89 6.6 +/- 0.89 0.050 / 0.040 G31 53.8 17.4 5.4 +/- 2.35 12.6 +/- 2.35 0.060 / 0.040