PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/12-21:42:40 G01 320.7 13.7 8.4 +/- 3.21 21.5 +/- 3.21 0.250 / 0.300 G08 265.7 16.9 13.8 +/- 3.01 32.8 +/- 3.01 0.200 / 0.460 G10 69.4 55.2 11.1 +/- 0.39 13.2 +/- 0.39 0.090 / 0.470 G11 310.8 17.3 10.3 +/- 1.08 24.3 +/- 1.08 0.080 / 0.420 G14 268.7 65.4 11.5 +/- 0.75 12.5 +/- 0.75 0.040 / 0.060 G20 99.8 32.5 12.5 +/- 2.31 20.7 +/- 2.31 0.050 / 0.060 G21 155.8 12.7 15.4 +/- 2.44 40.4 +/- 2.44 0.100 / 0.250 G27 229.2 14.0 16.2 +/- 4.40 41.3 +/- 4.40 0.110 / 0.230 G31 176.6 34.7 8.9 +/- 1.80 14.1 +/- 1.80 0.220 / 0.370 G32 353.1 72.2 11.3 +/- 0.52 11.8 +/- 0.52 0.230 / 0.410