PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/23-19:43:00 G01 309.7 32.9 11.8 +/- 1.96 19.4 +/- 1.96 0.160 / 0.290 G10 101.6 41.0 13.8 +/- 1.50 19.7 +/- 1.50 0.190 / 0.270 G11 290.2 25.4 13.5 +/- 1.68 26.1 +/- 1.68 0.050 / 0.050 G14 330.2 69.4 12.6 +/- 0.66 13.4 +/- 0.66 0.040 / 0.040 G20 118.5 14.6 14.7 +/- 4.26 37.0 +/- 4.26 0.090 / 0.220 G22 308.2 21.0 9.3 +/- 1.21 20.1 +/- 1.21 0.130 / 0.230 G25 87.0 14.6 13.1 +/- 2.64 32.8 +/- 2.64 0.050 / 0.050 G31 169.4 59.8 16.8 +/- 0.46 19.2 +/- 0.46 0.040 / 0.060 G32 33.0 54.5 12.4 +/- 1.30 14.8 +/- 1.30 0.030 / 0.040