PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/01-20:27:50 G08 317.8 13.5 6.8 +/- 1.76 17.5 +/- 1.76 0.060 / 0.100 G10 319.2 58.1 9.3 +/- 1.37 10.7 +/- 1.37 0.050 / 0.080 G14 214.0 19.8 11.9 +/- 2.32 26.3 +/- 2.32 0.040 / 0.050 G15 45.8 17.1 7.4 +/- 0.67 17.5 +/- 0.67 0.030 / 0.040 G20 23.4 62.6 8.5 +/- 0.63 9.5 +/- 0.63 0.120 / 0.410 G21 123.1 65.8 10.6 +/- 0.79 11.5 +/- 0.79 0.150 / 0.320 G24 85.9 30.1 9.1 +/- 0.68 15.8 +/- 0.68 0.100 / 0.110 G27 286.6 37.8 8.3 +/- 1.38 12.6 +/- 1.38 0.090 / 0.130 G32 216.0 44.5 11.2 +/- 1.82 15.2 +/- 1.82 0.120 / 0.230