PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-17:28:00 G08 269.1 19.6 7.3 +/- 3.26 16.3 +/- 3.26 0.240 / 0.220 G10 58.9 57.7 8.9 +/- 0.33 10.4 +/- 0.33 0.240 / 0.250 G11 315.9 12.1 3.6 +/- 12.59 9.6 +/- 12.59 0.050 / 0.060 G14 255.6 60.7 8.9 +/- 0.87 10.1 +/- 0.87 0.040 / 0.040 G20 94.7 35.2 9.3 +/- 1.31 14.7 +/- 1.31 0.030 / 0.020 G21 154.5 17.3 10.1 +/- 2.86 23.6 +/- 2.86 0.030 / 0.020 G24 41.5 12.7 7.2 +/- 2.03 18.9 +/- 2.03 0.080 / 0.330 G27 233.5 18.1 8.0 +/- 3.59 18.4 +/- 3.59 0.130 / 0.280 G31 179.1 27.0 10.9 +/- 2.22 20.3 +/- 2.22 0.150 / 0.260 G32 336.5 75.4 7.7 +/- 0.43 8.0 +/- 0.43 0.150 / 0.260