PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/28-03:12:40 G07 44.9 69.8 5.9 +/- 0.53 6.2 +/- 0.53 0.040 / 0.050 G08 52.2 40.8 3.5 +/- 0.60 5.1 +/- 0.60 0.050 / 0.050 G09 174.9 35.4 7.7 +/- 2.20 12.2 +/- 2.20 0.040 / 0.060 G11 125.2 34.6 8.0 +/- 1.11 12.7 +/- 1.11 0.040 / 0.060 G13 321.1 10.9 -5.9 +/- 13.77 -16.1 +/- 13.77 0.220 / 0.370 G17 198.8 12.5 5.1 +/- 1.70 13.5 +/- 1.70 0.230 / 0.440 G23 160.8 10.7 7.4 +/- 4.04 20.3 +/- 4.04 0.060 / 0.110 G28 264.3 44.2 5.4 +/- 1.22 7.3 +/- 1.22 0.060 / 0.070 G30 325.3 55.4 4.3 +/- 1.54 5.0 +/- 1.54 0.050 / 0.130