PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/17-17:12:40 G08 317.3 14.3 6.9 +/- 1.35 17.3 +/- 1.35 0.060 / 0.080 G10 317.4 57.7 25.6 +/- 0.77 29.7 +/- 0.77 0.060 / 0.080 G14 213.7 17.0 12.7 +/- 1.98 30.1 +/- 1.98 0.090 / 0.260 G15 45.6 16.0 5.9 +/- 1.68 14.2 +/- 1.68 0.080 / 0.250 G20 23.7 62.4 7.8 +/- 0.51 8.7 +/- 0.51 0.030 / 0.030 G21 121.6 65.8 8.7 +/- 0.54 9.4 +/- 0.54 0.030 / 0.040 G24 87.3 29.9 7.7 +/- 1.23 13.5 +/- 1.23 0.030 / 0.050 G27 287.9 37.8 9.1 +/- 1.23 13.7 +/- 1.23 0.040 / 0.040 G32 215.1 44.1 10.8 +/- 2.01 14.8 +/- 2.01 0.110 / 0.270