PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/23-18:43:00 G08 267.4 18.6 15.4 +/- 3.28 35.2 +/- 3.28 0.130 / 0.230 G10 63.2 56.7 14.0 +/- 0.95 16.4 +/- 0.95 0.110 / 0.170 G11 314.1 14.1 9.7 +/- 1.57 24.6 +/- 1.57 0.050 / 0.060 G14 259.1 61.6 14.9 +/- 0.75 16.7 +/- 0.75 0.040 / 0.060 G20 96.9 34.0 13.9 +/- 0.71 22.4 +/- 0.71 0.030 / 0.040 G21 155.1 15.4 15.9 +/- 1.80 39.2 +/- 1.80 0.030 / 0.030 G24 40.5 11.0 9.7 +/- 1.38 26.5 +/- 1.38 0.150 / 0.210 G27 231.7 16.5 18.9 +/- 1.93 45.3 +/- 1.93 0.130 / 0.240 G31 178.2 30.0 19.8 +/- 1.54 34.8 +/- 1.54 0.110 / 0.250 G32 344.5 74.1 15.8 +/- 0.66 16.3 +/- 0.66 0.200 / 0.330