PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/16-21:13:00 G08 271.4 19.3 8.5 +/- 1.81 19.1 +/- 1.81 0.180 / 0.300 G10 58.6 57.8 9.1 +/- 0.65 10.6 +/- 0.65 0.160 / 0.380 G11 314.9 13.4 8.6 +/- 2.68 22.2 +/- 2.68 0.040 / 0.060 G14 256.3 61.4 10.8 +/- 0.58 12.1 +/- 0.58 0.050 / 0.070 G20 93.9 36.6 8.7 +/- 0.67 13.4 +/- 0.67 0.090 / 0.130 G21 154.8 18.6 12.0 +/- 2.00 27.3 +/- 2.00 0.100 / 0.160 G24 41.6 12.9 6.5 +/- 1.77 16.9 +/- 1.77 0.110 / 0.410 G27 233.8 18.2 11.0 +/- 1.77 25.3 +/- 1.77 0.130 / 0.430 G31 178.0 28.2 11.5 +/- 0.82 21.0 +/- 0.82 0.150 / 0.220 G32 333.1 75.5 9.5 +/- 0.45 9.7 +/- 0.45 0.150 / 0.300